diff --git a/Fluent.Ribbon.Showcase/Converters/BackgroundImageViewportConverter.cs b/Fluent.Ribbon.Showcase/Converters/BackgroundImageViewportConverter.cs
new file mode 100644
index 000000000..72e61a8af
--- /dev/null
+++ b/Fluent.Ribbon.Showcase/Converters/BackgroundImageViewportConverter.cs
@@ -0,0 +1,24 @@
+namespace FluentTest.Converters
+{
+    using System;
+    using System.Globalization;
+    using System.Windows;
+    using System.Windows.Data;
+
+    public class BackgroundImageViewportConverter : IValueConverter
+    {
+        #region IValueConverter Members
+
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            return new Rect(0, 0, (double)value, 46);
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+
+        #endregion
+    }
+}
\ No newline at end of file
diff --git a/Fluent.Ribbon.Showcase/Fluent.Ribbon.Showcase.NET 4.0.csproj b/Fluent.Ribbon.Showcase/Fluent.Ribbon.Showcase.NET 4.0.csproj
index 31b19dd72..bfd902d4f 100644
--- a/Fluent.Ribbon.Showcase/Fluent.Ribbon.Showcase.NET 4.0.csproj	
+++ b/Fluent.Ribbon.Showcase/Fluent.Ribbon.Showcase.NET 4.0.csproj	
@@ -77,6 +77,13 @@
     <Compile Include="..\Shared\GlobalAssemblyInfo.cs">
       <Link>Properties\GlobalAssemblyInfo.cs</Link>
     </Compile>
+    <Compile Include="Converters\BackgroundImageViewportConverter.cs" />
+    <Compile Include="RibbonWindowWithBackgroundImage.xaml.cs">
+      <DependentUpon>RibbonWindowWithBackgroundImage.xaml</DependentUpon>
+    </Compile>
+    <Compile Include="RibbonWindowColorized.xaml.cs">
+      <DependentUpon>RibbonWindowColorized.xaml</DependentUpon>
+    </Compile>
     <Compile Include="Commanding\IRelayCommand.cs" />
     <Compile Include="Commanding\RelayCommand.cs" />
     <Compile Include="Converters\UniqueGroupNameConverter.cs" />
@@ -111,6 +118,14 @@
     <Compile Include="ViewModels\IssueRepros\ThemeManagerFromThread.cs" />
     <Compile Include="ViewModels\MainViewModel.cs" />
     <Compile Include="ViewModels\ViewModel.cs" />
+    <Page Include="RibbonWindowWithBackgroundImage.xaml">
+      <Generator>MSBuild:Compile</Generator>
+      <SubType>Designer</SubType>
+    </Page>
+    <Page Include="RibbonWindowColorized.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Include="Images\VectorIcons.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
@@ -235,11 +250,6 @@
   <ItemGroup>
     <Resource Include="Images\GalleryLarge.png" />
   </ItemGroup>
-  <ItemGroup>
-    <Resource Include="Images\BlackTheme.png" />
-    <Resource Include="Images\BlueTheme.png" />
-    <Resource Include="Images\SilverTheme.png" />
-  </ItemGroup>
   <ItemGroup>
     <Resource Include="Images\Blue.png" />
     <Resource Include="Images\BlueLarge.png" />
@@ -258,6 +268,11 @@
     <Resource Include="Images\Yellow.png" />
     <Resource Include="Images\YellowLarge.png" />
   </ItemGroup>
+  <ItemGroup>
+    <Resource Include="..\Images\banner.png">
+      <Link>Images\banner.png</Link>
+    </Resource>
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/Fluent.Ribbon.Showcase/Fluent.Ribbon.Showcase.NET 4.5.csproj b/Fluent.Ribbon.Showcase/Fluent.Ribbon.Showcase.NET 4.5.csproj
index 032075160..566fb01a8 100644
--- a/Fluent.Ribbon.Showcase/Fluent.Ribbon.Showcase.NET 4.5.csproj	
+++ b/Fluent.Ribbon.Showcase/Fluent.Ribbon.Showcase.NET 4.5.csproj	
@@ -77,6 +77,13 @@
     <Compile Include="..\Shared\GlobalAssemblyInfo.cs">
       <Link>Properties\GlobalAssemblyInfo.cs</Link>
     </Compile>
+    <Compile Include="Converters\BackgroundImageViewportConverter.cs" />
+    <Compile Include="RibbonWindowWithBackgroundImage.xaml.cs">
+      <DependentUpon>RibbonWindowWithBackgroundImage.xaml</DependentUpon>
+    </Compile>
+    <Compile Include="RibbonWindowColorized.xaml.cs">
+      <DependentUpon>RibbonWindowColorized.xaml</DependentUpon>
+    </Compile>
     <Compile Include="Commanding\IRelayCommand.cs" />
     <Compile Include="Commanding\RelayCommand.cs" />
     <Compile Include="Converters\UniqueGroupNameConverter.cs" />
@@ -111,6 +118,14 @@
     <Compile Include="ViewModels\IssueRepros\ThemeManagerFromThread.cs" />
     <Compile Include="ViewModels\MainViewModel.cs" />
     <Compile Include="ViewModels\ViewModel.cs" />
+    <Page Include="RibbonWindowWithBackgroundImage.xaml">
+      <Generator>MSBuild:Compile</Generator>
+      <SubType>Designer</SubType>
+    </Page>
+    <Page Include="RibbonWindowColorized.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Include="Images\VectorIcons.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
@@ -235,11 +250,6 @@
   <ItemGroup>
     <Resource Include="Images\GalleryLarge.png" />
   </ItemGroup>
-  <ItemGroup>
-    <Resource Include="Images\BlackTheme.png" />
-    <Resource Include="Images\BlueTheme.png" />
-    <Resource Include="Images\SilverTheme.png" />
-  </ItemGroup>
   <ItemGroup>
     <Resource Include="Images\Blue.png" />
     <Resource Include="Images\BlueLarge.png" />
@@ -258,6 +268,11 @@
     <Resource Include="Images\Yellow.png" />
     <Resource Include="Images\YellowLarge.png" />
   </ItemGroup>
+  <ItemGroup>
+    <Resource Include="..\Images\banner.png">
+      <Link>Images\banner.png</Link>
+    </Resource>
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/Fluent.Ribbon.Showcase/Fluent.Ribbon.Showcase.NET 4.6.2.csproj b/Fluent.Ribbon.Showcase/Fluent.Ribbon.Showcase.NET 4.6.2.csproj
index 42def8213..e1f0e605c 100644
--- a/Fluent.Ribbon.Showcase/Fluent.Ribbon.Showcase.NET 4.6.2.csproj	
+++ b/Fluent.Ribbon.Showcase/Fluent.Ribbon.Showcase.NET 4.6.2.csproj	
@@ -77,6 +77,13 @@
     <Compile Include="..\Shared\GlobalAssemblyInfo.cs">
       <Link>Properties\GlobalAssemblyInfo.cs</Link>
     </Compile>
+    <Compile Include="Converters\BackgroundImageViewportConverter.cs" />
+    <Compile Include="RibbonWindowWithBackgroundImage.xaml.cs">
+      <DependentUpon>RibbonWindowWithBackgroundImage.xaml</DependentUpon>
+    </Compile>
+    <Compile Include="RibbonWindowColorized.xaml.cs">
+      <DependentUpon>RibbonWindowColorized.xaml</DependentUpon>
+    </Compile>
     <Compile Include="Commanding\IRelayCommand.cs" />
     <Compile Include="Commanding\RelayCommand.cs" />
     <Compile Include="Converters\UniqueGroupNameConverter.cs" />
@@ -111,6 +118,14 @@
     <Compile Include="ViewModels\IssueRepros\ThemeManagerFromThread.cs" />
     <Compile Include="ViewModels\MainViewModel.cs" />
     <Compile Include="ViewModels\ViewModel.cs" />
+    <Page Include="RibbonWindowWithBackgroundImage.xaml">
+      <Generator>MSBuild:Compile</Generator>
+      <SubType>Designer</SubType>
+    </Page>
+    <Page Include="RibbonWindowColorized.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Include="Images\VectorIcons.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
@@ -235,11 +250,6 @@
   <ItemGroup>
     <Resource Include="Images\GalleryLarge.png" />
   </ItemGroup>
-  <ItemGroup>
-    <Resource Include="Images\BlackTheme.png" />
-    <Resource Include="Images\BlueTheme.png" />
-    <Resource Include="Images\SilverTheme.png" />
-  </ItemGroup>
   <ItemGroup>
     <Resource Include="Images\Blue.png" />
     <Resource Include="Images\BlueLarge.png" />
@@ -258,6 +268,11 @@
     <Resource Include="Images\Yellow.png" />
     <Resource Include="Images\YellowLarge.png" />
   </ItemGroup>
+  <ItemGroup>
+    <Resource Include="..\Images\banner.png">
+      <Link>Images\banner.png</Link>
+    </Resource>
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/Fluent.Ribbon.Showcase/Helpers/ThemeHelper.cs b/Fluent.Ribbon.Showcase/Helpers/ThemeHelper.cs
index d6e32a8f9..ea3ea0458 100644
--- a/Fluent.Ribbon.Showcase/Helpers/ThemeHelper.cs
+++ b/Fluent.Ribbon.Showcase/Helpers/ThemeHelper.cs
@@ -43,7 +43,11 @@ public static string CreateAppStyleBy(Color color, bool changeImmediately = fals
             // GalleryItem
             resourceDictionary.Add("Fluent.Ribbon.Brushes.GalleryItem.MouseOver", GetSolidColorBrush((Color)resourceDictionary["Fluent.Ribbon.Colors.AccentColor20"]));
             resourceDictionary.Add("Fluent.Ribbon.Brushes.GalleryItem.Selected", GetSolidColorBrush((Color)resourceDictionary["Fluent.Ribbon.Colors.AccentColor40"]));
-            resourceDictionary.Add("Fluent.Ribbon.Brushes.GalleryItem.Pressed", GetSolidColorBrush((Color)resourceDictionary["Fluent.Ribbon.Colors.AccentColor60"]));                                                                                    
+            resourceDictionary.Add("Fluent.Ribbon.Brushes.GalleryItem.Pressed", GetSolidColorBrush((Color)resourceDictionary["Fluent.Ribbon.Colors.AccentColor60"]));
+
+            // WindowCommands
+            resourceDictionary.Add("FFluent.Ribbon.Brushes.WindowCommands.CaptionButton.MouseOver.Background", GetSolidColorBrush((Color)resourceDictionary["Fluent.Ribbon.Colors.AccentColor20"]));
+            resourceDictionary.Add("Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Pressed.Background", GetSolidColorBrush((Color)resourceDictionary["Fluent.Ribbon.Colors.AccentColor40"]));
 
             // Create theme
             var resDictName = $"ApplicationAccent_{color.ToString().Replace("#", string.Empty)}.xaml";
diff --git a/Fluent.Ribbon.Showcase/Images/BlackTheme.png b/Fluent.Ribbon.Showcase/Images/BlackTheme.png
deleted file mode 100644
index 382c2a0b0..000000000
Binary files a/Fluent.Ribbon.Showcase/Images/BlackTheme.png and /dev/null differ
diff --git a/Fluent.Ribbon.Showcase/Images/BlueTheme.png b/Fluent.Ribbon.Showcase/Images/BlueTheme.png
deleted file mode 100644
index 9b19be608..000000000
Binary files a/Fluent.Ribbon.Showcase/Images/BlueTheme.png and /dev/null differ
diff --git a/Fluent.Ribbon.Showcase/Images/SilverTheme.png b/Fluent.Ribbon.Showcase/Images/SilverTheme.png
deleted file mode 100644
index c6147b16d..000000000
Binary files a/Fluent.Ribbon.Showcase/Images/SilverTheme.png and /dev/null differ
diff --git a/Fluent.Ribbon.Showcase/RibbonWindowColorized.xaml b/Fluent.Ribbon.Showcase/RibbonWindowColorized.xaml
new file mode 100644
index 000000000..dd82da38c
--- /dev/null
+++ b/Fluent.Ribbon.Showcase/RibbonWindowColorized.xaml
@@ -0,0 +1,69 @@
+<fluent:RibbonWindow x:Class="FluentTest.RibbonWindowColorized"
+                     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+                     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+                     xmlns:local="clr-namespace:FluentTest"
+                     xmlns:fluent="urn:fluent-ribbon"
+                     mc:Ignorable="d"
+                     Title="RibbonWindowColorized"
+                     Height="600"
+                     Width="800"
+                     TitleForeground="White"
+                     TitleBackground="Transparent">
+    <fluent:RibbonWindow.Resources>
+        <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabControl.Background" Color="LightBlue" />
+        <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabControl.Foreground" Color="Black" />
+        
+        <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabControl.Content.Background" Color="LightGreen" />
+        <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabControl.Content.Foreground" Color="Black" />
+        
+        <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabControl.TabsGrid.Background" Color="LightCyan" />
+        <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabControl.TabsGrid.Foreground" Color="Black" />
+        
+        <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Foreground" Color="White" />
+        <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Background" Color="DarkSlateGray" />
+        
+        <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.MouseOver.Background" Color="Green" />
+        <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Pressed.Background" Color="DarkGray" />
+    
+        <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CloseButton.MouseOver.Background" Color="Blue" />
+        <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CloseButton.Pressed.Background" Color="DarkBlue" />
+    </fluent:RibbonWindow.Resources>
+
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="*" />
+        </Grid.RowDefinitions>
+
+        <fluent:Ribbon Background="Transparent">
+            <fluent:Ribbon.Menu>
+                <fluent:Backstage />
+            </fluent:Ribbon.Menu>
+
+            <fluent:RibbonTabItem Header="First">
+                <fluent:RibbonGroupBox Header="First">
+                    <fluent:Button Header="First" />
+                </fluent:RibbonGroupBox>
+            </fluent:RibbonTabItem>
+
+            <fluent:RibbonTabItem Header="Second">
+                <fluent:RibbonGroupBox Header="Second">
+                    <fluent:Button Header="Second" />
+                </fluent:RibbonGroupBox>
+            </fluent:RibbonTabItem>
+        </fluent:Ribbon>
+
+        <Grid Grid.Row="1">
+            <TextBlock TextWrapping="Wrap"
+                       Margin="5">
+                This sample shows how to use custom colors for various parts of the RibbonWindow, Ribbon, RibbonTitleBar and caption buttons inside WindowCommands.
+                <LineBreak />
+                The colors are chosen to be extreme by purpose.
+                <LineBreak />
+                Have a look at ColorizedRibbonWindow.xaml for details.
+                </TextBlock>
+        </Grid>
+    </Grid>
+</fluent:RibbonWindow>
\ No newline at end of file
diff --git a/Fluent.Ribbon.Showcase/RibbonWindowColorized.xaml.cs b/Fluent.Ribbon.Showcase/RibbonWindowColorized.xaml.cs
new file mode 100644
index 000000000..4a79889cf
--- /dev/null
+++ b/Fluent.Ribbon.Showcase/RibbonWindowColorized.xaml.cs
@@ -0,0 +1,10 @@
+namespace FluentTest
+{
+    public partial class RibbonWindowColorized
+    {
+        public RibbonWindowColorized()
+        {
+            this.InitializeComponent();
+        }
+    }
+}
\ No newline at end of file
diff --git a/Fluent.Ribbon.Showcase/RibbonWindowWithBackgroundImage.xaml b/Fluent.Ribbon.Showcase/RibbonWindowWithBackgroundImage.xaml
new file mode 100644
index 000000000..6e5876da4
--- /dev/null
+++ b/Fluent.Ribbon.Showcase/RibbonWindowWithBackgroundImage.xaml
@@ -0,0 +1,71 @@
+<fluent:RibbonWindow x:Class="FluentTest.RibbonWindowWithBackgroundImage"
+                     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+                     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+                     xmlns:local="clr-namespace:FluentTest"
+                     xmlns:fluent="urn:fluent-ribbon"
+                     xmlns:converters="clr-namespace:FluentTest.Converters"
+                     mc:Ignorable="d"
+                     Title="RibbonWindowWithBackgroundImage"
+                     Height="600"
+                     Width="800"
+                     TitleForeground="Black"
+                     TitleBackground="Transparent">
+    <fluent:RibbonWindow.Resources>
+        <converters:BackgroundImageViewportConverter x:Key="BackgroundImageViewportConverter" />
+
+        <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabControl.Background" Color="Transparent" />
+        <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabControl.Foreground" Color="Black" />
+            
+        <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabControl.Content.Background" Color="{DynamicResource WhiteColor}" />
+        <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabControl.Content.Foreground" Color="Black" />
+    </fluent:RibbonWindow.Resources>
+    
+    <Window.Background>
+        <ImageBrush ImageSource="pack://application:,,,/Fluent.Ribbon.Showcase;component/Images/banner.png"
+                    Stretch="Fill"
+                    Viewport="{Binding ActualWidth, RelativeSource={RelativeSource AncestorType=Window}, Converter={StaticResource BackgroundImageViewportConverter}}"
+                    ViewportUnits="Absolute"
+                    TileMode="None"
+                    AlignmentX="Right"
+                    AlignmentY="Top" />
+    </Window.Background>
+    
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="*" />
+        </Grid.RowDefinitions>
+
+        <fluent:Ribbon Background="Transparent">
+            <fluent:Ribbon.Menu>
+                <fluent:Backstage />
+            </fluent:Ribbon.Menu>
+
+            <fluent:RibbonTabItem Header="First">
+                <fluent:RibbonGroupBox Header="First">
+                    <fluent:Button Header="First" />
+                </fluent:RibbonGroupBox>
+            </fluent:RibbonTabItem>
+
+            <fluent:RibbonTabItem Header="Second">
+                <fluent:RibbonGroupBox Header="Second">
+                    <fluent:Button Header="Second" />
+                </fluent:RibbonGroupBox>
+            </fluent:RibbonTabItem>
+        </fluent:Ribbon>
+
+        <Grid Background="{DynamicResource WhiteBrush}"
+              Grid.Row="1">
+            <TextBlock TextWrapping="Wrap"
+                       Margin="5">
+                This sample shows how to use custom colors for various parts of the RibbonWindow, Ribbon, RibbonTitleBar and caption buttons inside WindowCommands.
+                <LineBreak />
+                The colors are chosen to be extreme by purpose.
+                <LineBreak />
+                Have a look at ColorizedRibbonWindow.xaml for details.
+                </TextBlock>
+        </Grid>
+    </Grid>
+</fluent:RibbonWindow>
\ No newline at end of file
diff --git a/Fluent.Ribbon.Showcase/RibbonWindowWithBackgroundImage.xaml.cs b/Fluent.Ribbon.Showcase/RibbonWindowWithBackgroundImage.xaml.cs
new file mode 100644
index 000000000..3184272b8
--- /dev/null
+++ b/Fluent.Ribbon.Showcase/RibbonWindowWithBackgroundImage.xaml.cs
@@ -0,0 +1,10 @@
+namespace FluentTest
+{
+    public partial class RibbonWindowWithBackgroundImage
+    {
+        public RibbonWindowWithBackgroundImage()
+        {
+            this.InitializeComponent();
+        }
+    }
+}
\ No newline at end of file
diff --git a/Fluent.Ribbon.Showcase/TestContent.xaml b/Fluent.Ribbon.Showcase/TestContent.xaml
index 619728d26..bb08fb105 100644
--- a/Fluent.Ribbon.Showcase/TestContent.xaml
+++ b/Fluent.Ribbon.Showcase/TestContent.xaml
@@ -3083,6 +3083,15 @@
                             <Fluent:Button x:Name="OpenModalRibbonWindow"
                                            Size="Middle"
                                            Click="OpenModalRibbonWindow_OnClick">Open Ribbon-Window (ShowDialog)</Fluent:Button>
+                            <Fluent:Button x:Name="OpenRibbonWindowOnNewThread"
+                                           Size="Middle"
+                                           Click="OpenRibbonWindowOnNewThread_OnClick">Open Ribbon-Window (new Thread)</Fluent:Button>
+                            <Fluent:Button x:Name="OpenRibbonWindowColorized"
+                                           Size="Middle"
+                                           Click="OpenRibbonWindowColorized_OnClick">Open Ribbon-Window (colorized)</Fluent:Button>
+                            <Fluent:Button x:Name="OpenRibbonWindowWithBackgroundImage"
+                                           Size="Middle"
+                                           Click="OpenRibbonWindowWithBackgroundImage_OnClick">Open Ribbon-Window (with background image)</Fluent:Button>
                         </WrapPanel>
                     </GroupBox>
                     <GroupBox Header="Issue repros">
diff --git a/Fluent.Ribbon.Showcase/TestContent.xaml.cs b/Fluent.Ribbon.Showcase/TestContent.xaml.cs
index 0e0f7b338..aa1224d7d 100644
--- a/Fluent.Ribbon.Showcase/TestContent.xaml.cs
+++ b/Fluent.Ribbon.Showcase/TestContent.xaml.cs
@@ -327,6 +327,31 @@ private void OpenModalRibbonWindow_OnClick(object sender, RoutedEventArgs e)
             new TestWindow().ShowDialog();
         }
 
+        private void OpenRibbonWindowOnNewThread_OnClick(object sender, RoutedEventArgs e)
+        {
+            var thread = new Thread(() =>
+                                    {
+                                        new TestWindow().Show();
+                                        System.Windows.Threading.Dispatcher.Run();
+                                    })
+                         {
+                             IsBackground = true
+                         };
+            thread.SetApartmentState(ApartmentState.STA);
+            
+            thread.Start();
+        }
+
+        private void OpenRibbonWindowColorized_OnClick(object sender, RoutedEventArgs e)
+        {
+            new RibbonWindowColorized().Show();
+        }
+
+        private void OpenRibbonWindowWithBackgroundImage_OnClick(object sender, RoutedEventArgs e)
+        {
+            new RibbonWindowWithBackgroundImage().Show();
+        }
+
         private void ShowStartScreen_OnClick(object sender, RoutedEventArgs e)
         {
             this.startScreen.Shown = false;
diff --git a/Fluent.Ribbon.Showcase/ViewModels/ColorViewModel.cs b/Fluent.Ribbon.Showcase/ViewModels/ColorViewModel.cs
index bfcd881e7..fdb3952f1 100644
--- a/Fluent.Ribbon.Showcase/ViewModels/ColorViewModel.cs
+++ b/Fluent.Ribbon.Showcase/ViewModels/ColorViewModel.cs
@@ -56,7 +56,7 @@ public Color ThemeColor
 
         public AppTheme CurrentAppTheme
         {
-            get { return ThemeManager.DetectAppStyle().Item1; }
+            get { return ThemeManager.DetectAppStyle(Application.Current).Item1; }
             set { ThemeManager.ChangeAppStyle(Application.Current, ThemeManager.DetectAppStyle().Item2, value); }
         }
 
@@ -64,7 +64,7 @@ public AccentItem CurrentAccent
         {
             get
             {
-                var accent = ThemeManager.DetectAppStyle().Item2;
+                var accent = ThemeManager.DetectAppStyle(Application.Current).Item2;
                 return this.Accents.FirstOrDefault(x => x.Accent.Name == accent.Name);
             }
             set { ThemeManager.ChangeAppStyle(Application.Current, value.Accent, this.CurrentAppTheme); }
diff --git a/Fluent.Ribbon/Controls/RibbonWindow.cs b/Fluent.Ribbon/Controls/RibbonWindow.cs
index 015328715..a415e7d1e 100644
--- a/Fluent.Ribbon/Controls/RibbonWindow.cs
+++ b/Fluent.Ribbon/Controls/RibbonWindow.cs
@@ -86,6 +86,21 @@ public Brush TitleForeground
         public static readonly DependencyProperty TitleForegroundProperty =
             DependencyProperty.Register(nameof(TitleForeground), typeof(Brush), typeof(RibbonWindow), new PropertyMetadata());
 
+        /// <summary>
+        /// Gets or sets the <see cref="Brush"/> which is used to render the window title background.
+        /// </summary>
+        public Brush TitleBackground
+        {
+            get { return (Brush)this.GetValue(TitleBackgroundProperty); }
+            set { this.SetValue(TitleBackgroundProperty, value); }
+        }
+
+        /// <summary>
+        /// <see cref="DependencyProperty"/> for <see cref="TitleBackground"/>.
+        /// </summary>
+        public static readonly DependencyProperty TitleBackgroundProperty =
+            DependencyProperty.Register(nameof(TitleBackground), typeof(Brush), typeof(RibbonWindow), new PropertyMetadata());
+
         /// <summary>
         /// Using a DependencyProperty as the backing store for WindowCommands.  This enables animation, styling, binding, etc...
         /// </summary>
diff --git a/Fluent.Ribbon/Themes/Accents/Amber.xaml b/Fluent.Ribbon/Themes/Accents/Amber.xaml
index 5cb34baf9..24f7f3441 100644
--- a/Fluent.Ribbon/Themes/Accents/Amber.xaml
+++ b/Fluent.Ribbon/Themes/Accents/Amber.xaml
@@ -7,7 +7,7 @@
                     mc:Ignorable="options d">
     <!-- COLORS -->
     
-    <!-- Accent colors -->   
+    <!-- Accent colors -->
     <Color x:Key="Fluent.Ribbon.Colors.AccentBaseColor">#FFF0A30A</Color>
     <!--80%-->
     <Color x:Key="Fluent.Ribbon.Colors.AccentColor80">#CCF0A30A</Color>
@@ -40,7 +40,7 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.AccentColorBrush20" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
     
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.HighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.HighlightColor}" options:Freeze="True" />
-    
+
     <!-- Misc brushes -->
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.ExtremeHighlightColor}" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.DarkExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.DarkExtremeHighlightColor}" options:Freeze="True" />
@@ -65,5 +65,9 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.Background" Color="#FFFCF1C2" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.BorderBrush" Color="#FFF29536" options:Freeze="True" />
 
+    <!-- WindowCommands -->
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.MouseOver.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Pressed.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor40}" options:Freeze="True" />
+    
     <!-- END BRUSHES -->
 </ResourceDictionary>
\ No newline at end of file
diff --git a/Fluent.Ribbon/Themes/Accents/Blue.xaml b/Fluent.Ribbon/Themes/Accents/Blue.xaml
index 556e854cc..1f8da6585 100644
--- a/Fluent.Ribbon/Themes/Accents/Blue.xaml
+++ b/Fluent.Ribbon/Themes/Accents/Blue.xaml
@@ -7,7 +7,7 @@
                     mc:Ignorable="options d">
     <!-- COLORS -->
     
-    <!-- Accent colors -->   
+    <!-- Accent colors -->
     <Color x:Key="Fluent.Ribbon.Colors.AccentBaseColor">#FF2B579A</Color>
     <!--80%-->
     <Color x:Key="Fluent.Ribbon.Colors.AccentColor80">#CC2B579A</Color>
@@ -65,5 +65,9 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.Background" Color="#FFFCF1C2" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.BorderBrush" Color="#FFF29536" options:Freeze="True" />
 
+    <!-- WindowCommands -->
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.MouseOver.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Pressed.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor40}" options:Freeze="True" />
+    
     <!-- END BRUSHES -->
 </ResourceDictionary>
\ No newline at end of file
diff --git a/Fluent.Ribbon/Themes/Accents/Brown.xaml b/Fluent.Ribbon/Themes/Accents/Brown.xaml
index d2f79e2cb..2de171ae5 100644
--- a/Fluent.Ribbon/Themes/Accents/Brown.xaml
+++ b/Fluent.Ribbon/Themes/Accents/Brown.xaml
@@ -7,7 +7,7 @@
                     mc:Ignorable="options d">
     <!-- COLORS -->
     
-    <!-- Accent colors -->    
+    <!-- Accent colors -->
     <Color x:Key="Fluent.Ribbon.Colors.AccentBaseColor">#FF825A2C</Color>
     <!--80%-->
     <Color x:Key="Fluent.Ribbon.Colors.AccentColor80">#CC825A2C</Color>
@@ -40,7 +40,7 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.AccentColorBrush20" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
     
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.HighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.HighlightColor}" options:Freeze="True" />
-    
+
     <!-- Misc brushes -->
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.ExtremeHighlightColor}" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.DarkExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.DarkExtremeHighlightColor}" options:Freeze="True" />
@@ -65,5 +65,9 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.Background" Color="#FFFCF1C2" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.BorderBrush" Color="#FFF29536" options:Freeze="True" />
 
+    <!-- WindowCommands -->
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.MouseOver.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Pressed.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor40}" options:Freeze="True" />
+    
     <!-- END BRUSHES -->
 </ResourceDictionary>
\ No newline at end of file
diff --git a/Fluent.Ribbon/Themes/Accents/Cobalt.xaml b/Fluent.Ribbon/Themes/Accents/Cobalt.xaml
index bc6298b79..0453762dd 100644
--- a/Fluent.Ribbon/Themes/Accents/Cobalt.xaml
+++ b/Fluent.Ribbon/Themes/Accents/Cobalt.xaml
@@ -7,7 +7,7 @@
                     mc:Ignorable="options d">
     <!-- COLORS -->
     
-    <!-- Accent colors -->   
+    <!-- Accent colors -->
     <Color x:Key="Fluent.Ribbon.Colors.AccentBaseColor">#FF0050EF</Color>
     <!--80%-->
     <Color x:Key="Fluent.Ribbon.Colors.AccentColor80">#CC0050EF</Color>
@@ -40,7 +40,7 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.AccentColorBrush20" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
     
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.HighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.HighlightColor}" options:Freeze="True" />
-    
+
     <!-- Misc brushes -->
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.ExtremeHighlightColor}" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.DarkExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.DarkExtremeHighlightColor}" options:Freeze="True" />
@@ -65,5 +65,9 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.Background" Color="#FFFCF1C2" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.BorderBrush" Color="#FFF29536" options:Freeze="True" />
 
+    <!-- WindowCommands -->
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.MouseOver.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Pressed.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor40}" options:Freeze="True" />
+    
     <!-- END BRUSHES -->
 </ResourceDictionary>
\ No newline at end of file
diff --git a/Fluent.Ribbon/Themes/Accents/Crimson.xaml b/Fluent.Ribbon/Themes/Accents/Crimson.xaml
index 11d3a96ab..73d138cef 100644
--- a/Fluent.Ribbon/Themes/Accents/Crimson.xaml
+++ b/Fluent.Ribbon/Themes/Accents/Crimson.xaml
@@ -40,7 +40,7 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.AccentColorBrush20" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
     
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.HighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.HighlightColor}" options:Freeze="True" />
-    
+
     <!-- Misc brushes -->
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.ExtremeHighlightColor}" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.DarkExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.DarkExtremeHighlightColor}" options:Freeze="True" />
@@ -65,5 +65,9 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.Background" Color="#FFFCF1C2" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.BorderBrush" Color="#FFF29536" options:Freeze="True" />
 
+    <!-- WindowCommands -->
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.MouseOver.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Pressed.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor40}" options:Freeze="True" />
+    
     <!-- END BRUSHES -->
 </ResourceDictionary>
\ No newline at end of file
diff --git a/Fluent.Ribbon/Themes/Accents/Cyan.xaml b/Fluent.Ribbon/Themes/Accents/Cyan.xaml
index 1ee178155..fd105190d 100644
--- a/Fluent.Ribbon/Themes/Accents/Cyan.xaml
+++ b/Fluent.Ribbon/Themes/Accents/Cyan.xaml
@@ -40,7 +40,7 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.AccentColorBrush20" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
     
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.HighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.HighlightColor}" options:Freeze="True" />
-    
+
     <!-- Misc brushes -->
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.ExtremeHighlightColor}" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.DarkExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.DarkExtremeHighlightColor}" options:Freeze="True" />
@@ -65,5 +65,9 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.Background" Color="#FFFCF1C2" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.BorderBrush" Color="#FFF29536" options:Freeze="True" />
 
+    <!-- WindowCommands -->
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.MouseOver.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Pressed.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor40}" options:Freeze="True" />
+    
     <!-- END BRUSHES -->
 </ResourceDictionary>
\ No newline at end of file
diff --git a/Fluent.Ribbon/Themes/Accents/Emerald.xaml b/Fluent.Ribbon/Themes/Accents/Emerald.xaml
index 0053ef0c9..dbbceadb6 100644
--- a/Fluent.Ribbon/Themes/Accents/Emerald.xaml
+++ b/Fluent.Ribbon/Themes/Accents/Emerald.xaml
@@ -40,7 +40,7 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.AccentColorBrush20" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
     
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.HighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.HighlightColor}" options:Freeze="True" />
-    
+
     <!-- Misc brushes -->
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.ExtremeHighlightColor}" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.DarkExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.DarkExtremeHighlightColor}" options:Freeze="True" />
@@ -65,5 +65,9 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.Background" Color="#FFFCF1C2" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.BorderBrush" Color="#FFF29536" options:Freeze="True" />
 
+    <!-- WindowCommands -->
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.MouseOver.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Pressed.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor40}" options:Freeze="True" />
+    
     <!-- END BRUSHES -->
 </ResourceDictionary>
\ No newline at end of file
diff --git a/Fluent.Ribbon/Themes/Accents/Green.xaml b/Fluent.Ribbon/Themes/Accents/Green.xaml
index 610b86817..206300456 100644
--- a/Fluent.Ribbon/Themes/Accents/Green.xaml
+++ b/Fluent.Ribbon/Themes/Accents/Green.xaml
@@ -65,5 +65,9 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.Background" Color="#FFFCF1C2" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.BorderBrush" Color="#FFF29536" options:Freeze="True" />
 
+    <!-- WindowCommands -->
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.MouseOver.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Pressed.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor40}" options:Freeze="True" />
+    
     <!-- END BRUSHES -->
 </ResourceDictionary>
\ No newline at end of file
diff --git a/Fluent.Ribbon/Themes/Accents/Indigo.xaml b/Fluent.Ribbon/Themes/Accents/Indigo.xaml
index 1e50133b6..4fe6dc5d0 100644
--- a/Fluent.Ribbon/Themes/Accents/Indigo.xaml
+++ b/Fluent.Ribbon/Themes/Accents/Indigo.xaml
@@ -40,7 +40,7 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.AccentColorBrush20" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
     
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.HighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.HighlightColor}" options:Freeze="True" />
-    
+
     <!-- Misc brushes -->
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.ExtremeHighlightColor}" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.DarkExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.DarkExtremeHighlightColor}" options:Freeze="True" />
@@ -65,5 +65,9 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.Background" Color="#FFFCF1C2" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.BorderBrush" Color="#FFF29536" options:Freeze="True" />
 
+    <!-- WindowCommands -->
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.MouseOver.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Pressed.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor40}" options:Freeze="True" />
+    
     <!-- END BRUSHES -->
 </ResourceDictionary>
\ No newline at end of file
diff --git a/Fluent.Ribbon/Themes/Accents/Lime.xaml b/Fluent.Ribbon/Themes/Accents/Lime.xaml
index d063e6713..742a6a40e 100644
--- a/Fluent.Ribbon/Themes/Accents/Lime.xaml
+++ b/Fluent.Ribbon/Themes/Accents/Lime.xaml
@@ -40,7 +40,7 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.AccentColorBrush20" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
     
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.HighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.HighlightColor}" options:Freeze="True" />
-    
+
     <!-- Misc brushes -->
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.ExtremeHighlightColor}" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.DarkExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.DarkExtremeHighlightColor}" options:Freeze="True" />
@@ -65,5 +65,9 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.Background" Color="#FFFCF1C2" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.BorderBrush" Color="#FFF29536" options:Freeze="True" />
 
+    <!-- WindowCommands -->
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.MouseOver.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Pressed.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor40}" options:Freeze="True" />
+    
     <!-- END BRUSHES -->
 </ResourceDictionary>
\ No newline at end of file
diff --git a/Fluent.Ribbon/Themes/Accents/Magenta.xaml b/Fluent.Ribbon/Themes/Accents/Magenta.xaml
index b5eb18f11..8cba8f0d7 100644
--- a/Fluent.Ribbon/Themes/Accents/Magenta.xaml
+++ b/Fluent.Ribbon/Themes/Accents/Magenta.xaml
@@ -40,7 +40,7 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.AccentColorBrush20" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
     
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.HighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.HighlightColor}" options:Freeze="True" />
-    
+
     <!-- Misc brushes -->
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.ExtremeHighlightColor}" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.DarkExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.DarkExtremeHighlightColor}" options:Freeze="True" />
@@ -65,5 +65,9 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.Background" Color="#FFFCF1C2" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.BorderBrush" Color="#FFF29536" options:Freeze="True" />
 
+    <!-- WindowCommands -->
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.MouseOver.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Pressed.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor40}" options:Freeze="True" />
+    
     <!-- END BRUSHES -->
 </ResourceDictionary>
\ No newline at end of file
diff --git a/Fluent.Ribbon/Themes/Accents/Mauve.xaml b/Fluent.Ribbon/Themes/Accents/Mauve.xaml
index bec4d85e0..edae7aa12 100644
--- a/Fluent.Ribbon/Themes/Accents/Mauve.xaml
+++ b/Fluent.Ribbon/Themes/Accents/Mauve.xaml
@@ -40,7 +40,7 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.AccentColorBrush20" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
     
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.HighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.HighlightColor}" options:Freeze="True" />
-    
+
     <!-- Misc brushes -->
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.ExtremeHighlightColor}" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.DarkExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.DarkExtremeHighlightColor}" options:Freeze="True" />
@@ -65,5 +65,9 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.Background" Color="#FFFCF1C2" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.BorderBrush" Color="#FFF29536" options:Freeze="True" />
 
+    <!-- WindowCommands -->
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.MouseOver.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Pressed.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor40}" options:Freeze="True" />
+    
     <!-- END BRUSHES -->
 </ResourceDictionary>
\ No newline at end of file
diff --git a/Fluent.Ribbon/Themes/Accents/Olive.xaml b/Fluent.Ribbon/Themes/Accents/Olive.xaml
index d853bcc83..821ef1b84 100644
--- a/Fluent.Ribbon/Themes/Accents/Olive.xaml
+++ b/Fluent.Ribbon/Themes/Accents/Olive.xaml
@@ -40,7 +40,7 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.AccentColorBrush20" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
     
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.HighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.HighlightColor}" options:Freeze="True" />
-    
+
     <!-- Misc brushes -->
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.ExtremeHighlightColor}" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.DarkExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.DarkExtremeHighlightColor}" options:Freeze="True" />
@@ -65,5 +65,9 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.Background" Color="#FFFCF1C2" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.BorderBrush" Color="#FFF29536" options:Freeze="True" />
 
+    <!-- WindowCommands -->
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.MouseOver.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Pressed.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor40}" options:Freeze="True" />
+    
     <!-- END BRUSHES -->
 </ResourceDictionary>
\ No newline at end of file
diff --git a/Fluent.Ribbon/Themes/Accents/Orange.xaml b/Fluent.Ribbon/Themes/Accents/Orange.xaml
index f69c93b95..93faccbad 100644
--- a/Fluent.Ribbon/Themes/Accents/Orange.xaml
+++ b/Fluent.Ribbon/Themes/Accents/Orange.xaml
@@ -40,7 +40,7 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.AccentColorBrush20" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
     
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.HighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.HighlightColor}" options:Freeze="True" />
-    
+
     <!-- Misc brushes -->
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.ExtremeHighlightColor}" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.DarkExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.DarkExtremeHighlightColor}" options:Freeze="True" />
@@ -65,5 +65,9 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.Background" Color="#FFFCF1C2" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.BorderBrush" Color="#FFF29536" options:Freeze="True" />
 
+    <!-- WindowCommands -->
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.MouseOver.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Pressed.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor40}" options:Freeze="True" />
+    
     <!-- END BRUSHES -->
 </ResourceDictionary>
\ No newline at end of file
diff --git a/Fluent.Ribbon/Themes/Accents/Pink.xaml b/Fluent.Ribbon/Themes/Accents/Pink.xaml
index 5d93fa7d1..bcfa0898a 100644
--- a/Fluent.Ribbon/Themes/Accents/Pink.xaml
+++ b/Fluent.Ribbon/Themes/Accents/Pink.xaml
@@ -40,7 +40,7 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.AccentColorBrush20" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
     
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.HighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.HighlightColor}" options:Freeze="True" />
-    
+
     <!-- Misc brushes -->
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.ExtremeHighlightColor}" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.DarkExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.DarkExtremeHighlightColor}" options:Freeze="True" />
@@ -65,5 +65,9 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.Background" Color="#FFFCF1C2" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.BorderBrush" Color="#FFF29536" options:Freeze="True" />
 
+    <!-- WindowCommands -->
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.MouseOver.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Pressed.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor40}" options:Freeze="True" />
+    
     <!-- END BRUSHES -->
 </ResourceDictionary>
\ No newline at end of file
diff --git a/Fluent.Ribbon/Themes/Accents/Purple.xaml b/Fluent.Ribbon/Themes/Accents/Purple.xaml
index 58066fc71..c2ed0125c 100644
--- a/Fluent.Ribbon/Themes/Accents/Purple.xaml
+++ b/Fluent.Ribbon/Themes/Accents/Purple.xaml
@@ -40,7 +40,7 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.AccentColorBrush20" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
     
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.HighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.HighlightColor}" options:Freeze="True" />
-    
+
     <!-- Misc brushes -->
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.ExtremeHighlightColor}" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.DarkExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.DarkExtremeHighlightColor}" options:Freeze="True" />
@@ -65,5 +65,9 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.Background" Color="#FFFCF1C2" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.BorderBrush" Color="#FFF29536" options:Freeze="True" />
 
+    <!-- WindowCommands -->
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.MouseOver.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Pressed.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor40}" options:Freeze="True" />
+    
     <!-- END BRUSHES -->
 </ResourceDictionary>
\ No newline at end of file
diff --git a/Fluent.Ribbon/Themes/Accents/Red.xaml b/Fluent.Ribbon/Themes/Accents/Red.xaml
index d37dda863..d912dc67f 100644
--- a/Fluent.Ribbon/Themes/Accents/Red.xaml
+++ b/Fluent.Ribbon/Themes/Accents/Red.xaml
@@ -40,7 +40,7 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.AccentColorBrush20" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
     
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.HighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.HighlightColor}" options:Freeze="True" />
-    
+
     <!-- Misc brushes -->
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.ExtremeHighlightColor}" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.DarkExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.DarkExtremeHighlightColor}" options:Freeze="True" />
@@ -65,5 +65,9 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.Background" Color="#FFFCF1C2" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.BorderBrush" Color="#FFF29536" options:Freeze="True" />
 
+    <!-- WindowCommands -->
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.MouseOver.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Pressed.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor40}" options:Freeze="True" />
+    
     <!-- END BRUSHES -->
 </ResourceDictionary>
\ No newline at end of file
diff --git a/Fluent.Ribbon/Themes/Accents/Sienna.xaml b/Fluent.Ribbon/Themes/Accents/Sienna.xaml
index 3f6589a79..f80cf5b62 100644
--- a/Fluent.Ribbon/Themes/Accents/Sienna.xaml
+++ b/Fluent.Ribbon/Themes/Accents/Sienna.xaml
@@ -40,7 +40,7 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.AccentColorBrush20" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
     
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.HighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.HighlightColor}" options:Freeze="True" />
-    
+
     <!-- Misc brushes -->
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.ExtremeHighlightColor}" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.DarkExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.DarkExtremeHighlightColor}" options:Freeze="True" />
@@ -65,5 +65,9 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.Background" Color="#FFFCF1C2" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.BorderBrush" Color="#FFF29536" options:Freeze="True" />
 
+    <!-- WindowCommands -->
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.MouseOver.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Pressed.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor40}" options:Freeze="True" />
+    
     <!-- END BRUSHES -->
 </ResourceDictionary>
\ No newline at end of file
diff --git a/Fluent.Ribbon/Themes/Accents/Steel.xaml b/Fluent.Ribbon/Themes/Accents/Steel.xaml
index 8f30aab61..c7d280a42 100644
--- a/Fluent.Ribbon/Themes/Accents/Steel.xaml
+++ b/Fluent.Ribbon/Themes/Accents/Steel.xaml
@@ -40,7 +40,7 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.AccentColorBrush20" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
     
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.HighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.HighlightColor}" options:Freeze="True" />
-    
+
     <!-- Misc brushes -->
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.ExtremeHighlightColor}" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.DarkExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.DarkExtremeHighlightColor}" options:Freeze="True" />
@@ -65,5 +65,9 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.Background" Color="#FFFCF1C2" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.BorderBrush" Color="#FFF29536" options:Freeze="True" />
 
+    <!-- WindowCommands -->
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.MouseOver.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Pressed.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor40}" options:Freeze="True" />
+    
     <!-- END BRUSHES -->
 </ResourceDictionary>
\ No newline at end of file
diff --git a/Fluent.Ribbon/Themes/Accents/Taupe.xaml b/Fluent.Ribbon/Themes/Accents/Taupe.xaml
index 0e578ac01..556d38836 100644
--- a/Fluent.Ribbon/Themes/Accents/Taupe.xaml
+++ b/Fluent.Ribbon/Themes/Accents/Taupe.xaml
@@ -40,7 +40,7 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.AccentColorBrush20" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
     
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.HighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.HighlightColor}" options:Freeze="True" />
-    
+
     <!-- Misc brushes -->
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.ExtremeHighlightColor}" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.DarkExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.DarkExtremeHighlightColor}" options:Freeze="True" />
@@ -65,5 +65,9 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.Background" Color="#FFFCF1C2" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.BorderBrush" Color="#FFF29536" options:Freeze="True" />
 
+    <!-- WindowCommands -->
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.MouseOver.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Pressed.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor40}" options:Freeze="True" />
+    
     <!-- END BRUSHES -->
 </ResourceDictionary>
\ No newline at end of file
diff --git a/Fluent.Ribbon/Themes/Accents/Teal.xaml b/Fluent.Ribbon/Themes/Accents/Teal.xaml
index 1d1013b34..a34feddac 100644
--- a/Fluent.Ribbon/Themes/Accents/Teal.xaml
+++ b/Fluent.Ribbon/Themes/Accents/Teal.xaml
@@ -40,7 +40,7 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.AccentColorBrush20" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
     
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.HighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.HighlightColor}" options:Freeze="True" />
-    
+
     <!-- Misc brushes -->
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.ExtremeHighlightColor}" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.DarkExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.DarkExtremeHighlightColor}" options:Freeze="True" />
@@ -65,5 +65,9 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.Background" Color="#FFFCF1C2" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.BorderBrush" Color="#FFF29536" options:Freeze="True" />
 
+    <!-- WindowCommands -->
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.MouseOver.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Pressed.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor40}" options:Freeze="True" />
+    
     <!-- END BRUSHES -->
 </ResourceDictionary>
\ No newline at end of file
diff --git a/Fluent.Ribbon/Themes/Accents/Violet.xaml b/Fluent.Ribbon/Themes/Accents/Violet.xaml
index c58d740b6..099eaef48 100644
--- a/Fluent.Ribbon/Themes/Accents/Violet.xaml
+++ b/Fluent.Ribbon/Themes/Accents/Violet.xaml
@@ -40,7 +40,7 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.AccentColorBrush20" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
     
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.HighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.HighlightColor}" options:Freeze="True" />
-    
+
     <!-- Misc brushes -->
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.ExtremeHighlightColor}" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.DarkExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.DarkExtremeHighlightColor}" options:Freeze="True" />
@@ -65,5 +65,9 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.Background" Color="#FFFCF1C2" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.BorderBrush" Color="#FFF29536" options:Freeze="True" />
 
+    <!-- WindowCommands -->
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.MouseOver.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Pressed.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor40}" options:Freeze="True" />
+    
     <!-- END BRUSHES -->
 </ResourceDictionary>
\ No newline at end of file
diff --git a/Fluent.Ribbon/Themes/Accents/Yellow.xaml b/Fluent.Ribbon/Themes/Accents/Yellow.xaml
index 96fb03ab9..68fd8fb1a 100644
--- a/Fluent.Ribbon/Themes/Accents/Yellow.xaml
+++ b/Fluent.Ribbon/Themes/Accents/Yellow.xaml
@@ -40,7 +40,7 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.AccentColorBrush20" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
     
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.HighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.HighlightColor}" options:Freeze="True" />
-    
+
     <!-- Misc brushes -->
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.ExtremeHighlightColor}" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.DarkExtremeHighlightBrush" Color="{StaticResource Fluent.Ribbon.Colors.DarkExtremeHighlightColor}" options:Freeze="True" />
@@ -65,5 +65,9 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.Background" Color="#FFFCF1C2" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ApplicationMenuItem.CheckBox.BorderBrush" Color="#FFF29536" options:Freeze="True" />
 
+    <!-- WindowCommands -->
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.MouseOver.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Pressed.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor40}" options:Freeze="True" />
+    
     <!-- END BRUSHES -->
 </ResourceDictionary>
\ No newline at end of file
diff --git a/Fluent.Ribbon/Themes/Colors/BaseDark.xaml b/Fluent.Ribbon/Themes/Colors/BaseDark.xaml
index 735fe60c6..aea0ec022 100644
--- a/Fluent.Ribbon/Themes/Colors/BaseDark.xaml
+++ b/Fluent.Ribbon/Themes/Colors/BaseDark.xaml
@@ -5,8 +5,8 @@
                     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
                     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
                     mc:Ignorable="options d">
-    <!-- COLORS -->   
-    
+    <!-- COLORS -->
+
     <!-- Base colors -->
     <Color x:Key="BlackColor">#FFFFFFFF</Color>
     <Color x:Key="WhiteColor">#FF252525</Color>
@@ -27,7 +27,7 @@
     <!-- END COLORS -->
        
     <!-- BRUSHES -->      
-        
+    
     <!-- Base brushes -->
     <SolidColorBrush x:Key="WhiteBrush" Color="{StaticResource WhiteColor}" options:Freeze="True" />
     <SolidColorBrush x:Key="BlackBrush" Color="{StaticResource BlackColor}" options:Freeze="True" />
@@ -100,6 +100,14 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonGroupBox.DropDownOpen.Background" Color="{StaticResource Gray8}" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonGroupBox.Header.Foreground" Color="{StaticResource Gray2}" options:Freeze="True" />
     
+    <!-- RibbonTabControl -->
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabControl.Background" Color="Transparent" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabControl.Foreground" Color="{StaticResource BlackColor}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabControl.Content.Background" Color="Transparent" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabControl.Content.Foreground" Color="{StaticResource BlackColor}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabControl.TabsGrid.Background" Color="Transparent" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabControl.TabsGrid.Foreground" Color="{StaticResource BlackColor}" options:Freeze="True" />
+    
     <!-- RibbonTabItem -->
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabItem.BorderBrush" Color="{StaticResource Gray8}" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabItem.Active.Background" Color="{StaticResource WhiteColor}" options:Freeze="True" />
@@ -146,6 +154,9 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.TextBox.Disabled.BorderBrush" Color="{StaticResource Gray8}" options:Freeze="True" />
     
     <!-- WindowCommands -->
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Foreground" Color="{StaticResource BlackColor}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Background" Color="{StaticResource TransparentWhiteColor}" options:Freeze="True" />
+    
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CloseButton.MouseOver.Background" Color="#E81123" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CloseButton.Pressed.Background" Color="#F1707A" options:Freeze="True" />
     
diff --git a/Fluent.Ribbon/Themes/Colors/BaseLight.xaml b/Fluent.Ribbon/Themes/Colors/BaseLight.xaml
index d5bb8e239..0b3be3903 100644
--- a/Fluent.Ribbon/Themes/Colors/BaseLight.xaml
+++ b/Fluent.Ribbon/Themes/Colors/BaseLight.xaml
@@ -6,7 +6,7 @@
                     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
                     mc:Ignorable="options d">
     <!-- COLORS -->
-       
+
     <!-- Base colors -->
     <Color x:Key="BlackColor">#FF000000</Color>
     <Color x:Key="WhiteColor">#FFFFFFFF</Color>
@@ -51,7 +51,7 @@
     <!-- Generic control brushes -->
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.Control.BorderBrush" Color="{StaticResource Gray6}" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.Control.Disabled.BorderBrush" Color="{StaticResource Gray5}" options:Freeze="True" />
-   
+ 
     <!-- CheckBox -->
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.CheckBox.BorderBrush" Color="{StaticResource Gray3}" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.CheckBox.Background" Color="{StaticResource Gray10}" options:Freeze="True" />
@@ -100,6 +100,14 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonGroupBox.DropDownOpen.Background" Color="{StaticResource Gray8}" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonGroupBox.Header.Foreground" Color="{StaticResource Gray2}" options:Freeze="True" />
     
+    <!-- RibbonTabControl -->
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabControl.Background" Color="Transparent" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabControl.Foreground" Color="{StaticResource BlackColor}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabControl.Content.Background" Color="Transparent" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabControl.Content.Foreground" Color="{StaticResource BlackColor}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabControl.TabsGrid.Background" Color="Transparent" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabControl.TabsGrid.Foreground" Color="{StaticResource BlackColor}" options:Freeze="True" />
+    
     <!-- RibbonTabItem -->
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabItem.BorderBrush" Color="{StaticResource Gray8}" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabItem.Active.Background" Color="{StaticResource WhiteColor}" options:Freeze="True" />
@@ -126,7 +134,7 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ScrollButton.Hover.Background" Color="{StaticResource WhiteColor}" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ScrollButton.Pressed.BorderBrush" Color="{StaticResource Gray2}" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ScrollButton.Pressed.Background" Color="{StaticResource Gray10}" options:Freeze="True" />
-    
+
     <!-- ScrollBar -->
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.ScrollBar.Background" Color="{StaticResource WhiteColor}" options:Freeze="True" />
 
@@ -146,6 +154,9 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.TextBox.Disabled.BorderBrush" Color="{StaticResource Gray8}" options:Freeze="True" />
     
     <!-- WindowCommands -->
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Foreground" Color="{StaticResource BlackColor}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Background" Color="{StaticResource TransparentWhiteColor}" options:Freeze="True" />
+    
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CloseButton.MouseOver.Background" Color="#E81123" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CloseButton.Pressed.Background" Color="#F1707A" options:Freeze="True" />
     
diff --git a/Fluent.Ribbon/Themes/Colors/Colors.xaml b/Fluent.Ribbon/Themes/Colors/Colors.xaml
index f82c42f9a..71c235007 100644
--- a/Fluent.Ribbon/Themes/Colors/Colors.xaml
+++ b/Fluent.Ribbon/Themes/Colors/Colors.xaml
@@ -146,6 +146,14 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonGroupBox.DropDownOpen.Background" Color="{StaticResource Gray8}" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonGroupBox.Header.Foreground" Color="{StaticResource Gray2}" options:Freeze="True" />
     
+    <!-- RibbonTabControl -->
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabControl.Background" Color="Transparent" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabControl.Foreground" Color="{StaticResource BlackColor}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabControl.Content.Background" Color="Transparent" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabControl.Content.Foreground" Color="{StaticResource BlackColor}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabControl.TabsGrid.Background" Color="Transparent" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabControl.TabsGrid.Foreground" Color="{StaticResource BlackColor}" options:Freeze="True" />
+    
     <!-- RibbonTabItem -->
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabItem.BorderBrush" Color="{StaticResource Gray8}" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.RibbonTabItem.Active.Background" Color="{StaticResource WhiteColor}" options:Freeze="True" />
@@ -192,6 +200,11 @@
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.TextBox.Disabled.BorderBrush" Color="{StaticResource Gray8}" options:Freeze="True" />
     
     <!-- WindowCommands -->
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Foreground" Color="{StaticResource BlackColor}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Background" Color="{StaticResource TransparentWhiteColor}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.MouseOver.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor20}" options:Freeze="True" />
+    <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Pressed.Background" Color="{StaticResource Fluent.Ribbon.Colors.AccentColor40}" options:Freeze="True" />
+    
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CloseButton.MouseOver.Background" Color="#E81123" options:Freeze="True" />
     <SolidColorBrush x:Key="Fluent.Ribbon.Brushes.WindowCommands.CloseButton.Pressed.Background" Color="#F1707A" options:Freeze="True" />
     
diff --git a/Fluent.Ribbon/Themes/Controls/Button.xaml b/Fluent.Ribbon/Themes/Controls/Button.xaml
index e938d1b03..da2a6cc93 100644
--- a/Fluent.Ribbon/Themes/Controls/Button.xaml
+++ b/Fluent.Ribbon/Themes/Controls/Button.xaml
@@ -9,9 +9,9 @@
     <Style x:Key="CaptionButtonStyle"
            TargetType="{x:Type Button}">
         <Setter Property="Background"
-                Value="{DynamicResource TransparentWhiteBrush}" />
+                Value="{DynamicResource Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Background}" />
         <Setter Property="Foreground"
-                Value="{DynamicResource Fluent.Ribbon.Brushes.LabelTextBrush}" />
+                Value="{DynamicResource Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Foreground}" />
         <Setter Property="VerticalAlignment"
                 Value="Stretch" />
         <Setter Property="HorizontalContentAlignment"
@@ -25,15 +25,13 @@
         <Setter Property="Template">
             <Setter.Value>
                 <ControlTemplate TargetType="{x:Type Button}">
-                    <Grid x:Name="grid"
-                          Background="{TemplateBinding Background}">
+                    <Grid Background="{TemplateBinding Background}">
                         <ContentPresenter x:Name="contentPresenter"
                                           HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                                           Margin="{TemplateBinding Padding}"
                                           VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
                                           SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"
-                                          RecognizesAccessKey="True"
-                                          Opacity="0.75" />
+                                          RecognizesAccessKey="True" />
                     </Grid>
                     <ControlTemplate.Triggers>
                         <Trigger Property="IsMouseOver"
@@ -46,10 +44,10 @@
                                  Value="False">
                             <Setter TargetName="contentPresenter"
                                     Property="Opacity"
-                                    Value=".5" />
+                                    Value="0.5" />
                         </Trigger>
                         <Trigger Property="IsEnabled"
-                                 Value="false">
+                                 Value="False">
                             <Setter Property="Foreground"
                                     Value="{DynamicResource Fluent.Ribbon.Brushes.WhiteBrush}" />
                         </Trigger>
@@ -61,12 +59,12 @@
             <Trigger Property="IsMouseOver"
                      Value="True">
                 <Setter Property="Background"
-                        Value="{DynamicResource Fluent.Ribbon.Brushes.Button.MouseOver.Background}" />
+                        Value="{DynamicResource Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.MouseOver.Background}" />
             </Trigger>
             <Trigger Property="IsPressed"
                      Value="True">
                 <Setter Property="Background"
-                        Value="{DynamicResource Fluent.Ribbon.Brushes.Button.Pressed.Background}" />
+                        Value="{DynamicResource Fluent.Ribbon.Brushes.WindowCommands.CaptionButton.Pressed.Background}" />
             </Trigger>
         </Style.Triggers>
     </Style>
diff --git a/Fluent.Ribbon/Themes/Controls/Ribbon.xaml b/Fluent.Ribbon/Themes/Controls/Ribbon.xaml
index 6703d7c3c..12f2e9293 100644
--- a/Fluent.Ribbon/Themes/Controls/Ribbon.xaml
+++ b/Fluent.Ribbon/Themes/Controls/Ribbon.xaml
@@ -16,6 +16,7 @@
             <Style BasedOn="{StaticResource FluentRibbonDefaultContextMenuStyle}"
                    TargetType="{x:Type ContextMenu}" />                        
         </ControlTemplate.Resources>
+        
         <Border Background="{TemplateBinding Background}">
             <Grid x:Name="PART_LayoutRoot" 
                   Width="Auto"
@@ -24,8 +25,8 @@
                     <RowDefinition Height="*" />
                     <RowDefinition Height="Auto" />
                 </Grid.RowDefinitions>
+                
                 <Fluent:RibbonTabControl x:Name="PART_RibbonTabControl"
-                                         Background="{TemplateBinding Background}"
                                          Menu="{TemplateBinding Menu}"                                      
                                          ContentHeight="{TemplateBinding ContentHeight}"
                                          ContextMenu="{Binding ContextMenu, ElementName=PART_LayoutRoot}" />
diff --git a/Fluent.Ribbon/Themes/Controls/RibbonTabControl.xaml b/Fluent.Ribbon/Themes/Controls/RibbonTabControl.xaml
index f354f040f..748d06624 100644
--- a/Fluent.Ribbon/Themes/Controls/RibbonTabControl.xaml
+++ b/Fluent.Ribbon/Themes/Controls/RibbonTabControl.xaml
@@ -100,8 +100,10 @@
            TargetType="{x:Type Fluent:RibbonTabControl}">
         <Setter Property="VerticalAlignment"
                 Value="Top" />
+        <Setter Property="Background"
+                Value="{DynamicResource Fluent.Ribbon.Brushes.RibbonTabControl.Background}" />
         <Setter Property="Foreground"
-                Value="{DynamicResource Fluent.Ribbon.Brushes.LabelTextBrush}" />
+                Value="{DynamicResource Fluent.Ribbon.Brushes.RibbonTabControl.Foreground}" />
         <Setter Property="Focusable"
                 Value="False" />
         <Setter Property="Template"
@@ -205,6 +207,7 @@
             </Style>
         </ControlTemplate.Resources>
         <Grid x:Name="ContentGrid"
+              Background="{TemplateBinding Background}"
               KeyboardNavigation.TabNavigation="Local"
               Height="Auto"
               VerticalAlignment="Top">
@@ -229,6 +232,8 @@
                     Margin="1,0,1,0"
                     Grid.Row="1"
                     Grid.RowSpan="1"
+                    Background="{DynamicResource Fluent.Ribbon.Brushes.RibbonTabControl.Content.Background}"
+                    TextElement.Foreground="{DynamicResource Fluent.Ribbon.Brushes.RibbonTabControl.Content.Foreground}"
                     KeyboardNavigation.TabNavigation="Local"
                     KeyboardNavigation.DirectionalNavigation="Contained"
                     KeyboardNavigation.TabIndex="2">
@@ -248,6 +253,8 @@
                     Background="{Binding Path=SelectedItem.BorderBrush, RelativeSource={RelativeSource TemplatedParent}}" />
             
             <Grid x:Name="TabsGrid"
+                  Background="{DynamicResource Fluent.Ribbon.Brushes.RibbonTabControl.TabsGrid.Background}"
+                  TextElement.Foreground="{DynamicResource Fluent.Ribbon.Brushes.RibbonTabControl.TabsGrid.Foreground}"
                   HorizontalAlignment="Stretch"
                   Width="Auto"
                   Margin="0"               
diff --git a/Fluent.Ribbon/Themes/Controls/WindowCommands.xaml b/Fluent.Ribbon/Themes/Controls/WindowCommands.xaml
index 07741f764..da39f6e35 100644
--- a/Fluent.Ribbon/Themes/Controls/WindowCommands.xaml
+++ b/Fluent.Ribbon/Themes/Controls/WindowCommands.xaml
@@ -45,7 +45,6 @@
                                 Focusable="False"
                                 Style="{DynamicResource CaptionButtonStyle}"
                                 Padding="0"
-                                Foreground="{TemplateBinding Foreground}"
                                 ToolTip="{Binding Minimize, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type Fluent:WindowCommands}}}"
                                 Uid="{Binding Minimize, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type Fluent:WindowCommands}}}">
                             <Path Width="10"
@@ -64,7 +63,6 @@
                                 Style="{DynamicResource CaptionButtonStyle}"
                                 Padding="0"
                                 Visibility="{Binding WindowState, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type Window}}, Converter={x:Static Converters:StaticConverters.EqualsToVisibilityConverter}, ConverterParameter={x:Static WindowState.Normal}}"
-                                Foreground="{TemplateBinding Foreground}"
                                 ToolTip="{Binding Maximize, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type Fluent:WindowCommands}}}"
                                 Uid="{Binding Maximize, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type Fluent:WindowCommands}}}">
                             <Canvas Width="12"
@@ -84,7 +82,6 @@
                                 Style="{DynamicResource CaptionButtonStyle}"
                                 Padding="0"
                                 Visibility="{Binding WindowState, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type Window}}, Converter={x:Static Converters:StaticConverters.EqualsToVisibilityConverter}, ConverterParameter={x:Static WindowState.Maximized}}"
-                                Foreground="{TemplateBinding Foreground}"
                                 ToolTip="{Binding Restore, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type Fluent:WindowCommands}}}"
                                 Uid="{Binding Restore, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type Fluent:WindowCommands}}}">
                             <Canvas Width="12"
@@ -103,7 +100,6 @@
                                 Focusable="False"
                                 Style="{DynamicResource CaptionButtonStyle}"
                                 Padding="0"
-                                Foreground="{TemplateBinding Foreground}"
                                 ToolTip="{Binding Close, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type Fluent:WindowCommands}}}"
                                 Uid="{Binding Close, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type Fluent:WindowCommands}}}">
                             <Grid>
@@ -202,11 +198,11 @@
                         Value=".5" />
             </Trigger>
             <Trigger Property="IsKeyboardFocused"
-                     Value="true" />
+                     Value="True" />
             <Trigger Property="ToggleButton.IsChecked"
-                     Value="true" />
+                     Value="True" />
             <Trigger Property="IsEnabled"
-                     Value="false">
+                     Value="False">
                 <Setter Property="Foreground"
                         Value="{DynamicResource Fluent.Ribbon.Brushes.DarkIdealForegroundDisabledBrush}" />
             </Trigger>
diff --git a/Fluent.Ribbon/Themes/RibbonWindow.xaml b/Fluent.Ribbon/Themes/RibbonWindow.xaml
index 263ad85cf..cdedf5b8c 100644
--- a/Fluent.Ribbon/Themes/RibbonWindow.xaml
+++ b/Fluent.Ribbon/Themes/RibbonWindow.xaml
@@ -24,7 +24,7 @@
                                Height="{TemplateBinding TitleBarHeight}"
                                VerticalAlignment="Top"
                                HorizontalAlignment="Stretch"
-                               Background="Transparent"
+                               Background="{TemplateBinding TitleBackground}"
                                LastChildFill="True">
                         <Image x:Name="PART_Icon"
                                DockPanel.Dock="Left"
@@ -111,12 +111,14 @@
            TargetType="{x:Type Fluent:RibbonWindow}">
         <Setter Property="BorderBrush"
                 Value="{DynamicResource Fluent.Ribbon.Brushes.AccentBaseColorBrush}" />
+        <Setter Property="Background"
+                Value="{DynamicResource WhiteBrush}" />
         <Setter Property="Foreground"
                 Value="{DynamicResource BlackBrush}" />
+        <Setter Property="TitleBackground"
+                Value="{Binding Background, RelativeSource={RelativeSource Self}}" />
         <Setter Property="TitleForeground"
-                Value="{Binding Foreground, RelativeSource={RelativeSource Self}}" />        
-        <Setter Property="Background"
-                Value="{DynamicResource WhiteBrush}" />
+                Value="{Binding Foreground, RelativeSource={RelativeSource Self}}" />
         <Setter Property="Template"
                 Value="{StaticResource RibbonWindowControlTemplate}" />
         <Setter Property="TitleBarHeight"
diff --git a/Images/Screenshots/Office 2010 - Black - Non DWM.png b/Images/Screenshots/Office 2010 - Black - Non DWM.png
deleted file mode 100644
index 8fd500f85..000000000
Binary files a/Images/Screenshots/Office 2010 - Black - Non DWM.png and /dev/null differ
diff --git a/Images/Screenshots/Office 2010 - Black.png b/Images/Screenshots/Office 2010 - Black.png
deleted file mode 100644
index 6764acfe3..000000000
Binary files a/Images/Screenshots/Office 2010 - Black.png and /dev/null differ
diff --git a/Images/Screenshots/Office 2010 - Blue.png b/Images/Screenshots/Office 2010 - Blue.png
deleted file mode 100644
index f4995b9e5..000000000
Binary files a/Images/Screenshots/Office 2010 - Blue.png and /dev/null differ
diff --git a/Images/Screenshots/Office 2010 - Silver - Non DWM.png b/Images/Screenshots/Office 2010 - Silver - Non DWM.png
deleted file mode 100644
index 768f45a84..000000000
Binary files a/Images/Screenshots/Office 2010 - Silver - Non DWM.png and /dev/null differ
diff --git a/Images/Screenshots/Office 2010 - Silver.png b/Images/Screenshots/Office 2010 - Silver.png
deleted file mode 100644
index 866ea809a..000000000
Binary files a/Images/Screenshots/Office 2010 - Silver.png and /dev/null differ
diff --git a/Images/banner.png b/Images/banner.png
new file mode 100644
index 000000000..062a220b0
Binary files /dev/null and b/Images/banner.png differ
diff --git a/README.md b/README.md
index 2b9b187eb..bcff2198d 100644
--- a/README.md
+++ b/README.md
@@ -13,6 +13,8 @@ Fluent.Ribbon
 
 This project was previously hosted on [CodePlex](https://fluent.codeplex.com/).
 
+![Banner](./Images/banner.png)
+
 Fluent.Ribbon is a library that implements an Office-like user interface for the Windows Presentation Foundation (WPF). It provides controls such as RibbonTabControl, Backstage, Gallery, QuickAccessToolbar, ScreenTip and so on.
 
 ![Showcase](./Images/Showcase.gif)
@@ -163,7 +165,7 @@ If you feel lack of some important features feel free to use [issues](https://gi
 *   Ukrainian
 *   Vietnamese
 
-## Awesome tools which MahApps can use
+## Awesome tools which Fluent.Ribbon can use
 
 [![Resharper](./Images/icon_ReSharper.png)](https://www.jetbrains.com/resharper/)