diff --git a/.travis.yml b/.travis.yml
index 1d389fd..0475915 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,12 +4,7 @@ sudo: required
 dist: trusty
 language: node_js
 node_js:
-  - "7"
-before_install:
-  - sudo apt-get install -y chromium-browser
-  - export CHROME_BIN=chromium-browser
-  - export DISPLAY=:99.0
-  - sh -e /etc/init.d/xvfb start
+  - "10"
 install:
   - npm install
 script:
diff --git a/.vscode/launch.json b/.vscode/launch.json
deleted file mode 100644
index d4e749d..0000000
--- a/.vscode/launch.json
+++ /dev/null
@@ -1,13 +0,0 @@
-{
-    "version": "0.1.0",
-    "configurations": [
-        {
-            "name": "Debugger",
-            "type": "chrome",
-            "request": "attach",
-            "port": 9222,
-            "sourceMaps": true,
-            "webRoot": "${cwd}/"
-        }
-    ]
-}
\ No newline at end of file
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 0e4fb25..fb24deb 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -19,13 +19,13 @@
       "fileMatch": [
         "/pbiviz.json"
       ],
-      "url": "./.api/v1.11.0/schema.pbiviz.json"
+      "url": "./.api/v1.13.0/schema.pbiviz.json"
     },
     {
       "fileMatch": [
         "/capabilities.json"
       ],
-      "url": "./.api/v1.11.0/schema.capabilities.json"
+      "url": "./.api/v1.13.0/schema.capabilities.json"
     }
   ]
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index eaee538..f0fc830 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 1.4.0
+* High contrast mode
+* API 1.13.0
+
 ## 1.3.1
 * Fixes infinity loops that crashed browser and Power BI Desktop if there's just one data point in a data-set
 
diff --git a/karma.conf.js b/karma.conf.js
index 41dae77..a86c78e 100644
--- a/karma.conf.js
+++ b/karma.conf.js
@@ -26,29 +26,17 @@
 
 'use strict';
 
-const recursivePathToTests = 'test/**/*.ts'
-    , srcRecursivePath = '.tmp/drop/visual.js'
-    , srcCssRecursivePath = '.tmp/drop/visual.css'
-    , srcOriginalRecursivePath = 'src/**/*.ts'
-    , coverageFolder = 'coverage';
+const recursivePathToTests = 'test/**/*.ts';
+const srcRecursivePath = '.tmp/drop/visual.js';
+const srcCssRecursivePath = '.tmp/drop/visual.css';
+const srcOriginalRecursivePath = 'src/**/*.ts';
+const coverageFolder = 'coverage';
 
-module.exports = (config) => {
-    const browsers = [];
-
-    if (process.env.TRAVIS) {
-        browsers.push('ChromeTravisCI');
-    } else {
-        browsers.push('Chrome');
-    }
+process.env.CHROME_BIN = require('puppeteer').executablePath();
 
+module.exports = (config) => {
     config.set({
-        browsers,
-        customLaunchers: {
-            ChromeTravisCI: {
-                base: 'Chrome',
-                flags: ['--no-sandbox']
-            }
-        },
+        browsers: ['ChromeHeadless'],
         colors: true,
         frameworks: ['jasmine'],
         reporters: [
@@ -89,9 +77,12 @@ module.exports = (config) => {
         },
         coverageReporter: {
             dir: coverageFolder,
-            reporters: [
-                { type: 'html' },
-                { type: 'lcov' }
+            reporters: [{
+                    type: 'html'
+                },
+                {
+                    type: 'lcov'
+                }
             ]
         },
         remapIstanbulReporter: {
@@ -102,4 +93,4 @@ module.exports = (config) => {
             }
         }
     });
-};
+};
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index e33a309..58e5662 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "powerbi-visuals-histogram",
-  "version": "1.3.1",
+  "version": "1.4.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -22,8 +22,16 @@
         "@babel/types": "7.0.0-beta.44",
         "jsesc": "2.5.1",
         "lodash": "4.16.2",
-        "source-map": "0.5.6",
+        "source-map": "0.5.7",
         "trim-right": "1.0.1"
+      },
+      "dependencies": {
+        "source-map": {
+          "version": "0.5.7",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
+          "dev": true
+        }
       }
     },
     "@babel/helper-function-name": {
@@ -212,30 +220,13 @@
       "dev": true
     },
     "accepts": {
-      "version": "1.1.4",
-      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.1.4.tgz",
-      "integrity": "sha1-1xyW99QdD+2iw4zRToonwEFY30o=",
+      "version": "1.3.5",
+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.5.tgz",
+      "integrity": "sha1-63d99gEXI6OxTopywIBcjoZ0a9I=",
       "dev": true,
       "requires": {
-        "mime-types": "2.0.14",
-        "negotiator": "0.4.9"
-      },
-      "dependencies": {
-        "mime-db": {
-          "version": "1.12.0",
-          "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.12.0.tgz",
-          "integrity": "sha1-PQxjGA9FjrENMlqqN9fFiuMS6dc=",
-          "dev": true
-        },
-        "mime-types": {
-          "version": "2.0.14",
-          "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.0.14.tgz",
-          "integrity": "sha1-MQ4VnbI+B3+Lsit0jav6SVcUCqY=",
-          "dev": true,
-          "requires": {
-            "mime-db": "1.12.0"
-          }
-        }
+        "mime-types": "2.1.18",
+        "negotiator": "0.6.1"
       }
     },
     "acorn": {
@@ -261,20 +252,38 @@
         }
       }
     },
+    "addressparser": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/addressparser/-/addressparser-1.0.1.tgz",
+      "integrity": "sha1-R6++GiqSYhkdtoOOT9HTm0CCF0Y=",
+      "dev": true,
+      "optional": true
+    },
     "after": {
-      "version": "0.8.1",
-      "resolved": "https://registry.npmjs.org/after/-/after-0.8.1.tgz",
-      "integrity": "sha1-q11PuIP1loFtNRX495HAr0ht1ic=",
+      "version": "0.8.2",
+      "resolved": "https://registry.npmjs.org/after/-/after-0.8.2.tgz",
+      "integrity": "sha1-/ts5T58OAqqXaOcCvaI7UF+ufh8=",
       "dev": true
     },
+    "agent-base": {
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-4.2.1.tgz",
+      "integrity": "sha512-JVwXMr9nHYTUXsBFKUqhJwvlcYU/blreOEUkhNR2eXZIvwd+c+o5V4MgDPKWnMS/56awN3TRzIP+KoPn+roQtg==",
+      "dev": true,
+      "requires": {
+        "es6-promisify": "5.0.0"
+      }
+    },
     "ajv": {
-      "version": "4.11.8",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-4.11.8.tgz",
-      "integrity": "sha1-gv+wKynmYq5TvcIK8VlHcGc5xTY=",
+      "version": "5.5.2",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.5.2.tgz",
+      "integrity": "sha1-c7Xuyj+rZT49P5Qis0GtQiBdyWU=",
       "dev": true,
       "requires": {
         "co": "4.6.0",
-        "json-stable-stringify": "1.0.1"
+        "fast-deep-equal": "1.1.0",
+        "fast-json-stable-stringify": "2.0.0",
+        "json-schema-traverse": "0.3.1"
       }
     },
     "ajv-keywords": {
@@ -292,6 +301,17 @@
         "kind-of": "3.2.2",
         "longest": "1.0.1",
         "repeat-string": "1.6.1"
+      },
+      "dependencies": {
+        "kind-of": {
+          "version": "3.2.2",
+          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
+          "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
+          "dev": true,
+          "requires": {
+            "is-buffer": "1.1.6"
+          }
+        }
       }
     },
     "amdefine": {
@@ -300,12 +320,64 @@
       "integrity": "sha1-SlKCrBZHKek2Gbz9OtFR+BfOkfU=",
       "dev": true
     },
+    "amqplib": {
+      "version": "0.5.2",
+      "resolved": "https://registry.npmjs.org/amqplib/-/amqplib-0.5.2.tgz",
+      "integrity": "sha512-l9mCs6LbydtHqRniRwYkKdqxVa6XMz3Vw1fh+2gJaaVgTM6Jk3o8RccAKWKtlhT1US5sWrFh+KKxsVUALURSIA==",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "bitsyntax": "0.0.4",
+        "bluebird": "3.5.1",
+        "buffer-more-ints": "0.0.2",
+        "readable-stream": "1.1.14",
+        "safe-buffer": "5.1.2"
+      },
+      "dependencies": {
+        "isarray": {
+          "version": "0.0.1",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
+          "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=",
+          "dev": true,
+          "optional": true
+        },
+        "readable-stream": {
+          "version": "1.1.14",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
+          "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "core-util-is": "1.0.2",
+            "inherits": "2.0.3",
+            "isarray": "0.0.1",
+            "string_decoder": "0.10.31"
+          }
+        },
+        "string_decoder": {
+          "version": "0.10.31",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+          "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
+          "dev": true,
+          "optional": true
+        }
+      }
+    },
     "ansi-escapes": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-1.4.0.tgz",
       "integrity": "sha1-06ioOzGapneTZisT52HHkRQiMG4=",
       "dev": true
     },
+    "ansi-gray": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/ansi-gray/-/ansi-gray-0.1.1.tgz",
+      "integrity": "sha1-KWLPVOyXksSFEKPetSRDaGHvclE=",
+      "dev": true,
+      "requires": {
+        "ansi-wrap": "0.1.0"
+      }
+    },
     "ansi-regex": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
@@ -318,14 +390,20 @@
       "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
       "dev": true
     },
+    "ansi-wrap": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/ansi-wrap/-/ansi-wrap-0.1.0.tgz",
+      "integrity": "sha1-qCJQ3bABXponyoLoLqYDu/pF768=",
+      "dev": true
+    },
     "anymatch": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-1.3.0.tgz",
-      "integrity": "sha1-o+Uvo5FoyCX/V7AkgSbOWo/5VQc=",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-2.0.0.tgz",
+      "integrity": "sha512-5teOsQWABXHHBFP9y3skS5P3d/WfWXpv3FUpy+LorMrNYaT9pI4oLMQX7jzQ2KklNpGpWHzdCXTDT2Y3XGlZBw==",
       "dev": true,
       "requires": {
-        "arrify": "1.0.1",
-        "micromatch": "2.3.11"
+        "micromatch": "3.1.10",
+        "normalize-path": "2.1.1"
       }
     },
     "archy": {
@@ -335,27 +413,24 @@
       "dev": true
     },
     "argparse": {
-      "version": "1.0.9",
-      "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.9.tgz",
-      "integrity": "sha1-c9g7wmP4bpf4zE9rrhsOkKfSLIY=",
+      "version": "1.0.10",
+      "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
+      "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
       "dev": true,
       "requires": {
         "sprintf-js": "1.0.3"
       }
     },
     "arr-diff": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/arr-diff/-/arr-diff-2.0.0.tgz",
-      "integrity": "sha1-jzuCf5Vai9ZpaX5KQlasPOrjVs8=",
-      "dev": true,
-      "requires": {
-        "arr-flatten": "1.0.3"
-      }
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/arr-diff/-/arr-diff-4.0.0.tgz",
+      "integrity": "sha1-1kYQdP6/7HHn4VI1dhoyml3HxSA=",
+      "dev": true
     },
     "arr-flatten": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/arr-flatten/-/arr-flatten-1.0.3.tgz",
-      "integrity": "sha1-onTthawIhJtr14R8RYB0XcUa37E=",
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/arr-flatten/-/arr-flatten-1.1.0.tgz",
+      "integrity": "sha512-L3hKV5R/p5o81R7O02IGnwpDmkp6E982XhtbuwSe3O4qOtMMMtodicASA1Cny2U+aCXcNpml+m4dPsvsJ3jatg==",
       "dev": true
     },
     "arr-union": {
@@ -404,15 +479,15 @@
       "dev": true
     },
     "array-unique": {
-      "version": "0.2.1",
-      "resolved": "https://registry.npmjs.org/array-unique/-/array-unique-0.2.1.tgz",
-      "integrity": "sha1-odl8yvy8JiXMcPrc6zalDFiwGlM=",
+      "version": "0.3.2",
+      "resolved": "https://registry.npmjs.org/array-unique/-/array-unique-0.3.2.tgz",
+      "integrity": "sha1-qJS3XUvE9s1nnvMkSp/Y9Gri1Cg=",
       "dev": true
     },
     "arraybuffer.slice": {
-      "version": "0.0.6",
-      "resolved": "https://registry.npmjs.org/arraybuffer.slice/-/arraybuffer.slice-0.0.6.tgz",
-      "integrity": "sha1-8zshWfBTKj8xB6JywMz70a0peco=",
+      "version": "0.0.7",
+      "resolved": "https://registry.npmjs.org/arraybuffer.slice/-/arraybuffer.slice-0.0.7.tgz",
+      "integrity": "sha512-wGUIVQXuehL5TCqQun8OW81jGzAWycqzFF8lFp+GOM5BXLYj3bKNsYC4daB7n6XjCqxQA/qgTJ+8ANR3acjrog==",
       "dev": true
     },
     "arrify": {
@@ -434,9 +509,9 @@
       "dev": true
     },
     "assert-plus": {
-      "version": "0.2.0",
-      "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-0.2.0.tgz",
-      "integrity": "sha1-104bh+ev/A24qttwIfP+SBAasjQ=",
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
+      "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
       "dev": true
     },
     "assign-symbols": {
@@ -445,11 +520,31 @@
       "integrity": "sha1-WWZ/QfrdTyDMvCu5a41Pf3jsA2c=",
       "dev": true
     },
+    "ast-types": {
+      "version": "0.11.5",
+      "resolved": "https://registry.npmjs.org/ast-types/-/ast-types-0.11.5.tgz",
+      "integrity": "sha512-oJjo+5e7/vEc2FBK8gUalV0pba4L3VdBIs2EKhOLHLcOd2FgQIVQN9xb0eZ9IjEWyAL7vq6fGJxOvVvdCHNyMw==",
+      "dev": true,
+      "optional": true
+    },
     "async": {
-      "version": "1.5.2",
-      "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
-      "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo=",
-      "dev": true
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.1.tgz",
+      "integrity": "sha512-fNEiL2+AZt6AlAw/29Cr0UDe4sRAHCpEHh54WMz+Bb7QfNcFw4h3loofyJpLeQs4Yx7yuqu/2dLgM5hKOs6HlQ==",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "lodash": "4.17.10"
+      },
+      "dependencies": {
+        "lodash": {
+          "version": "4.17.10",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.10.tgz",
+          "integrity": "sha512-UejweD1pDoXu+AD825lWwp4ZGtSwgnpZxb3JDViD7StjQz+Nb/6l093lx4OQ0foGWNRoc19mWy7BzL+UAK2iVg==",
+          "dev": true,
+          "optional": true
+        }
+      }
     },
     "async-each": {
       "version": "1.0.1",
@@ -457,6 +552,12 @@
       "integrity": "sha1-GdOGodntxufByF04iu28xW0zYC0=",
       "dev": true
     },
+    "async-limiter": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.0.tgz",
+      "integrity": "sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg==",
+      "dev": true
+    },
     "asynckit": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
@@ -476,7 +577,7 @@
       "dev": true,
       "requires": {
         "browserslist": "1.7.7",
-        "caniuse-db": "1.0.30000858",
+        "caniuse-db": "1.0.30000865",
         "normalize-range": "0.1.2",
         "num2fraction": "1.2.2",
         "postcss": "5.2.18",
@@ -484,17 +585,39 @@
       }
     },
     "aws-sign2": {
-      "version": "0.6.0",
-      "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.6.0.tgz",
-      "integrity": "sha1-FDQt0428yU0OW4fXY81jYSwOeU8=",
+      "version": "0.7.0",
+      "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
+      "integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg=",
       "dev": true
     },
     "aws4": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.6.0.tgz",
-      "integrity": "sha1-g+9cqGCysy5KDe7e6MdxudtXRx4=",
+      "version": "1.7.0",
+      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.7.0.tgz",
+      "integrity": "sha512-32NDda82rhwD9/JBCCkB+MRYDp0oSvlo2IL6rQWA10PQi7tDUM3eqMSltXmY+Oyl/7N3P3qNtAlv7X0d9bI28w==",
       "dev": true
     },
+    "axios": {
+      "version": "0.15.3",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-0.15.3.tgz",
+      "integrity": "sha1-LJ1jiy4ZGgjqHWzJiOrda6W9wFM=",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "follow-redirects": "1.0.0"
+      },
+      "dependencies": {
+        "follow-redirects": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.0.0.tgz",
+          "integrity": "sha1-jjQpjL0uF28lTv/sdaHHjMhJ/Tc=",
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "debug": "2.6.9"
+          }
+        }
+      }
+    },
     "babel-code-frame": {
       "version": "6.26.0",
       "resolved": "https://registry.npmjs.org/babel-code-frame/-/babel-code-frame-6.26.0.tgz",
@@ -507,9 +630,9 @@
       }
     },
     "babel-eslint": {
-      "version": "8.2.5",
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-      "version": "0.0.3",
-      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz",
-      "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc=",
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
+      "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus=",
       "dev": true
     },
     "wrap-ansi": {
@@ -10222,13 +10571,14 @@
       "dev": true
     },
     "ws": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-1.0.1.tgz",
-      "integrity": "sha1-fQsqLljN3YGQOcKcneZQReGzEOk=",
+      "version": "3.3.3",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-3.3.3.tgz",
+      "integrity": "sha512-nnWLa/NwZSt4KQJu51MYlCcSQ5g7INpOrOMt4XV8j4dqTXdmlUmSHQ8/oLC069ckre0fRsgfvsKwbTdtKLCDkA==",
       "dev": true,
       "requires": {
-        "options": "0.0.6",
-        "ultron": "1.0.2"
+        "async-limiter": "1.0.0",
+        "safe-buffer": "5.1.2",
+        "ultron": "1.1.1"
       }
     },
     "xml-escape": {
@@ -10238,11 +10588,18 @@
       "dev": true
     },
     "xmlhttprequest-ssl": {
-      "version": "1.5.1",
-      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.1.tgz",
-      "integrity": "sha1-O3dB/qSoZnWXbpCNKW1ERZYfqmc=",
+      "version": "1.5.5",
+      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.5.tgz",
+      "integrity": "sha1-wodrBhaKrcQOV9l+gRkayPQ5iz4=",
       "dev": true
     },
+    "xregexp": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/xregexp/-/xregexp-2.0.0.tgz",
+      "integrity": "sha1-UqY+VsoLhKfzpfPWGHLxJq16WUM=",
+      "dev": true,
+      "optional": true
+    },
     "xtend": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
@@ -10255,6 +10612,13 @@
       "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE=",
       "dev": true
     },
+    "yallist": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
+      "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
+      "dev": true,
+      "optional": true
+    },
     "yargs": {
       "version": "3.10.0",
       "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
@@ -10275,6 +10639,15 @@
         }
       }
     },
+    "yauzl": {
+      "version": "2.4.1",
+      "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.4.1.tgz",
+      "integrity": "sha1-lSj0QtqxsihOWLQ3m7GU4i4MQAU=",
+      "dev": true,
+      "requires": {
+        "fd-slicer": "1.0.1"
+      }
+    },
     "yeast": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/yeast/-/yeast-0.1.2.tgz",
diff --git a/package.json b/package.json
index 6c8541e..34e1ef4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "powerbi-visuals-histogram",
-  "version": "1.3.1",
+  "version": "1.4.0",
   "description": "A histogram chart plots data ranges into intervals. Useful for estimating density.",
   "repository": {
     "type": "git",
@@ -10,7 +10,7 @@
     "powerbi-visuals"
   ],
   "scripts": {
-    "postinstall": "pbiviz update 1.11.0",
+    "postinstall": "pbiviz update 1.13.0",
     "pbiviz": "pbiviz",
     "start": "pbiviz start",
     "package": "pbiviz package",
@@ -28,37 +28,40 @@
     "url": "https://github.com/Microsoft/PowerBI-visuals-histogram/issues"
   },
   "homepage": "https://github.com/Microsoft/PowerBI-visuals-histogram#readme",
-  "devDependencies": {
-    "@types/d3": "3.5.36",
-    "@types/jasmine": "2.5.37",
-    "@types/jasmine-jquery": "1.5.28",
-    "@types/lodash": "4.14.52",
-    "@types/jquery": "^2.0.46",
-    "coveralls": "2.11.15",
-    "jasmine": "2.5.2",
-    "jasmine-jquery": "2.1.1",
-    "karma": "1.3.0",
-    "karma-chrome-launcher": "2.0.0",
-    "karma-coverage": "1.1.1",
-    "karma-jasmine": "1.0.2",
-    "karma-remap-istanbul": "0.4.0",
-    "karma-sourcemap-loader": "0.3.7",
-    "karma-typescript-preprocessor": "0.3.0",
+  "dependencies": {
     "d3": "3.5.5",
     "jquery": "3.1.1",
     "lodash": "4.16.2",
     "powerbi-models": "^1.0.2",
-    "powerbi-visuals-tools": "1.11.2",
     "powerbi-visuals-utils-chartutils": "^1.5.1",
-    "powerbi-visuals-utils-colorutils": "^1.0.0",
+    "powerbi-visuals-utils-colorutils": "^1.1.0",
     "powerbi-visuals-utils-dataviewutils": "1.2.0",
     "powerbi-visuals-utils-formattingutils": "^3.0.0",
     "powerbi-visuals-utils-interactivityutils": "3.2.0",
     "powerbi-visuals-utils-svgutils": "^1.1.0",
-    "powerbi-visuals-utils-testutils": "1.2.1",
     "powerbi-visuals-utils-tooltiputils": "^1.0.0",
-    "powerbi-visuals-utils-typeutils": "^1.1.0",
+    "powerbi-visuals-utils-typeutils": "^1.1.0"
+  },
+  "devDependencies": {
+    "@types/d3": "3.5.36",
+    "@types/jasmine": "2.5.37",
+    "@types/jasmine-jquery": "1.5.28",
+    "@types/lodash": "4.14.52",
+    "@types/jquery": "^2.0.46",
+    "coveralls": "3.0.2",
+    "jasmine": "2.5.2",
+    "jasmine-jquery": "2.1.1",
+    "karma": "2.0.4",
+    "karma-chrome-launcher": "2.2.0",
+    "karma-coverage": "1.1.2",
+    "karma-jasmine": "1.1.2",
+    "karma-remap-istanbul": "0.6.0",
+    "karma-sourcemap-loader": "0.3.7",
+    "karma-typescript-preprocessor": "0.3.1",
+    "powerbi-visuals-tools": "1.13.0",
+    "powerbi-visuals-utils-testutils": "1.2.1",
+    "puppeteer": "^1.6.0",
     "tslint": "^5.1.0",
-    "tslint-microsoft-contrib": "^5.0.0"
+    "tslint-microsoft-contrib": "^5.0.3"
   }
 }
diff --git a/pbiviz.json b/pbiviz.json
index bb20a5f..5782141 100644
--- a/pbiviz.json
+++ b/pbiviz.json
@@ -4,12 +4,12 @@
     "displayName": "Histogram",
     "guid": "Histogram1445664487616",
     "visualClassName": "Histogram",
-    "version": "1.3.1",
+    "version": "1.4.0",
     "description": "A histogram chart plots data ranges into intervals. Useful for estimating density.",
-    "supportUrl": "http://community.powerbi.com",
+    "supportUrl": "https://community.powerbi.com",
     "gitHubUrl": "https://github.com/Microsoft/PowerBI-visuals-histogram"
   },
-  "apiVersion": "1.11.0",
+  "apiVersion": "1.13.0",
   "author": {
     "name": "Microsoft",
     "email": "pbicvsupport@microsoft.com"
diff --git a/src/behavior.ts b/src/behavior.ts
index baccf71..3c89936 100644
--- a/src/behavior.ts
+++ b/src/behavior.ts
@@ -45,7 +45,6 @@ module powerbi.extensibility.visual {
 
     export class HistogramBehavior implements IInteractiveBehavior {
         private columns: Selection<HistogramDataPoint>;
-        private selectedDataPoints: SelectableDataPoint[];
         private clearCatcher: Selection<any>;
         private interactivityService: IInteractivityService;
 
@@ -72,7 +71,7 @@ module powerbi.extensibility.visual {
         }
 
         public renderSelection(hasSelection: boolean): void {
-            histogramUtils.updateFillOpacity(
+            histogramUtils.updateOpacity(
                 this.columns,
                 this.interactivityService,
                 hasSelection
diff --git a/src/dataInterfaces.ts b/src/dataInterfaces.ts
index 69d7251..e3327f2 100644
--- a/src/dataInterfaces.ts
+++ b/src/dataInterfaces.ts
@@ -60,7 +60,7 @@ module powerbi.extensibility.visual {
         maxY: number;
     }
 
-    export interface HistogramDataView {
+    export interface HistogramData {
         dataPoints: HistogramDataPoint[];
 
         borderValues: HistogramBorderValues;
diff --git a/src/settings.ts b/src/settings.ts
index c538a24..2270334 100644
--- a/src/settings.ts
+++ b/src/settings.ts
@@ -64,6 +64,7 @@ module powerbi.extensibility.visual {
     export class HistogramAxisSettings {
         public show: boolean = true;
         public axisColor: string = "#777";
+        public strokeColor: string = "#777";
         public title: boolean = true;
         public displayUnits: number = 0;
         public precision: number = 2;
diff --git a/src/utils.ts b/src/utils.ts
index e7243ce..7a3514a 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -40,7 +40,7 @@ module powerbi.extensibility.visual {
         export const DimmedOpacity: number = 0.4;
         export const DefaultOpacity: number = 1.0;
 
-        export function getFillOpacity(
+        export function getOpacity(
             selected: boolean,
             highlight: boolean,
             hasSelection: boolean,
@@ -70,7 +70,7 @@ module powerbi.extensibility.visual {
             };
         }
 
-        export function updateFillOpacity(
+        export function updateOpacity(
             columns: Selection<HistogramDataPoint>,
             interactivityService?: IInteractivityService,
             hasSelection: boolean = false): void {
@@ -81,10 +81,10 @@ module powerbi.extensibility.visual {
                 hasHighlights = interactivityService.hasSelection();
             }
 
-            columns.style("fill-opacity", (dataPoint: HistogramDataPoint) => {
+            columns.style("opacity", (dataPoint: HistogramDataPoint) => {
                 const selectedDataPoint: StateOfDataPoint = histogramUtils.getStateOfDataPoint(dataPoint);
 
-                return histogramUtils.getFillOpacity(
+                return histogramUtils.getOpacity(
                     selectedDataPoint.selected,
                     selectedDataPoint.highlight,
                     !selectedDataPoint.highlight && hasSelection,
diff --git a/src/visual.ts b/src/visual.ts
index e1a3664..156177d 100644
--- a/src/visual.ts
+++ b/src/visual.ts
@@ -107,6 +107,7 @@ module powerbi.extensibility.visual {
         transform?: string;
         dx?: string;
         dy?: string;
+        color: string;
     }
 
     interface Brackets {
@@ -114,12 +115,6 @@ module powerbi.extensibility.visual {
         right: string;
     }
 
-    enum UpdateColumnsWidthMode {
-        markOnly = "markOnly" as any,
-        calculatePointsDiff = "calculatePointsDiff" as any,
-        standardCalculation = "standardCalculation" as any
-    }
-
     export class Histogram implements IVisual {
         private static ClassName: string = "histogram";
 
@@ -172,7 +167,6 @@ module powerbi.extensibility.visual {
 
         private static MaxWidthOfTheLatestLabel: number = 40;
 
-        private static DefaultShiftByValues: number = 0;
         private static DefaultSumFrequency: number = 0;
         private static DefaultFrequency: number = 1;
         private static DefaultValue: number = 0;
@@ -185,8 +179,8 @@ module powerbi.extensibility.visual {
         private static DefaultXAxisDy: string = "-1em";
         private static DefaultYAxisDx: string = "3em";
 
-        private static MinAmoutOfFrequencies: number = 1;
-        private static MinAmountOfLabels: number = 0;
+        private static MinFrequencyNumber: number = 1;
+        private static MinLabelNumber: number = 0;
 
         private static MiddleFactor: number = 2;
 
@@ -212,7 +206,7 @@ module powerbi.extensibility.visual {
             fontSize: PixelConverter.toString(11) // Note: This value and font-size in histogram.less should be the same.
         };
 
-        private widthOfColumn: number = 0;
+        private columnWidth: number = 0;
         private yTitleMargin: number = 0;
         private outerPadding: number = 0;
         private xAxisProperties: IAxisProperties;
@@ -236,29 +230,31 @@ module powerbi.extensibility.visual {
         private columns: d3.Selection<HistogramDataPoint>;
         private labelGraphicsContext: d3.Selection<any>;
 
-        private dataView: HistogramDataView;
+        private data: HistogramData;
 
         private tooltipServiceWrapper: ITooltipServiceWrapper;
 
+        private colorHelper: ColorHelper;
+
         private get columnsSelection(): d3.Selection<HistogramDataPoint> {
-            return this.main.select(Histogram.Columns.selectorName)
+            return this.main
+                .select(Histogram.Columns.selectorName)
                 .selectAll(Histogram.Column.selectorName);
         }
 
         constructor(options: VisualConstructorOptions) {
-            this.init(options);
-        }
-
-        public init(options: VisualConstructorOptions): void {
             this.visualHost = options.host;
             this.localizationManager = this.visualHost.createLocalizationManager();
 
             this.interactivityService = createInteractivityService(this.visualHost);
             this.behavior = HistogramBehavior.create();
 
+            this.colorHelper = new ColorHelper(this.visualHost.colorPalette);
+
             this.tooltipServiceWrapper = createTooltipServiceWrapper(
                 options.host.tooltipService,
-                options.element);
+                options.element
+            );
 
             this.root = d3.select(options.element)
                 .append("svg")
@@ -298,15 +294,17 @@ module powerbi.extensibility.visual {
         public static converter(
             dataView: DataView,
             visualHost: IVisualHost,
-            localizationManager: ILocalizationManager): HistogramDataView {
+            localizationManager: ILocalizationManager,
+            colorHelper: ColorHelper,
+        ): HistogramData {
 
             if (!dataView
                 || !dataView.categorical
                 || !dataView.categorical.categories
                 || !dataView.categorical.categories[0]
                 || !dataView.categorical.categories[0].values
-                || !(dataView.categorical.categories[0].values.length > 0)) {
-
+                || !(dataView.categorical.categories[0].values.length > 0)
+            ) {
                 return null;
             }
 
@@ -319,7 +317,6 @@ module powerbi.extensibility.visual {
                 dataPoints: HistogramDataPoint[],
                 valueFormatter: IValueFormatter,
                 frequencies: number[] = [],
-                shiftByValues: number = Histogram.DefaultShiftByValues,
                 sumFrequency: number = Histogram.DefaultSumFrequency,
                 xLabelFormatter: IValueFormatter,
                 yLabelFormatter: IValueFormatter,
@@ -330,12 +327,13 @@ module powerbi.extensibility.visual {
                 xAxisSettings: HistogramXAxisSettings,
                 sourceValues: number[] = categoryColumn.values as number[];
 
-            settings = Histogram.parseSettings(dataView);
+
+            settings = Histogram.parseSettings(dataView, colorHelper);
 
             if (!settings
                 || !Histogram.areValuesNumbers(categoryColumn)
-                || sourceValues.length < Histogram.MinAmountOfValues) {
-
+                || sourceValues.length < Histogram.MinAmountOfValues
+            ) {
                 return null;
             }
 
@@ -382,31 +380,35 @@ module powerbi.extensibility.visual {
                 bin.y = settings.general.frequency
                     ? frequency
                     : frequency / sumFrequency;
-
-                shiftByValues += bin.length;
             });
 
             borderValues = Histogram.getBorderValues(bins);
 
             // min-max for Y axis
             yAxisSettings = settings.yAxis;
+
             let maxYvalue: number = (yAxisSettings.end !== null) && (yAxisSettings.end > yAxisSettings.start)
                 ? yAxisSettings.end
                 : borderValues.maxY;
+
             let minYValue: number = yAxisSettings.start < maxYvalue
                 ? yAxisSettings.start
                 : 0;
+
             settings.yAxis.start = Histogram.getCorrectYAxisValue(minYValue);
             settings.yAxis.end = Histogram.getCorrectYAxisValue(maxYvalue);
 
             // min-max for X axis
             xAxisSettings = settings.xAxis;
+
             let maxXvalue: number = (xAxisSettings.end !== null) && (xAxisSettings.end > borderValues.minX)
                 ? xAxisSettings.end
                 : borderValues.maxX;
+
             let minXValue: number = (xAxisSettings.start !== null) && xAxisSettings.start < maxXvalue
                 ? xAxisSettings.start
                 : borderValues.minX;
+
             settings.xAxis.start = Histogram.getCorrectXAxisValue(minXValue);
             settings.xAxis.end = Histogram.getCorrectXAxisValue(maxXvalue);
 
@@ -433,12 +435,12 @@ module powerbi.extensibility.visual {
 
             dataPoints = Histogram.getDataPoints(
                 values,
-                numericalValues,
                 bins,
                 settings,
                 yLabelFormatter,
                 xLabelFormatter,
-                localizationManager);
+                localizationManager
+            );
 
             return {
                 dataPoints,
@@ -526,7 +528,8 @@ module powerbi.extensibility.visual {
             visualHost: IVisualHost,
             categoryColumn: DataViewCategoryColumn,
             sourceValues: number[],
-            frequencies: number[]): HistogramValue[] {
+            frequencies: number[]
+        ): HistogramValue[] {
 
             const values: HistogramValue[] = [],
                 queryName: string = Histogram.getCategoryColumnQuery(categoryColumn);
@@ -534,7 +537,6 @@ module powerbi.extensibility.visual {
             sourceValues.forEach((item: number, index: number) => {
                 let frequency: number = Histogram.DefaultFrequency,
                     value: number = Number(item),
-                    measureId: string,
                     selectionId: ISelectionId;
 
                 value = isNaN(value)
@@ -549,7 +551,8 @@ module powerbi.extensibility.visual {
                 if (frequencies
                     && frequencies[index]
                     && !isNaN(frequencies[index])
-                    && frequencies[index] > Histogram.MinAmoutOfFrequencies) {
+                    && frequencies[index] > Histogram.MinFrequencyNumber
+                ) {
                     frequency = frequencies[index];
                 }
 
@@ -571,12 +574,12 @@ module powerbi.extensibility.visual {
 
         private static getDataPoints(
             values: HistogramValue[],
-            numericalValues: number[],
             bins: LayoutBin<number>[],
             settings: HistogramSettings,
             yValueFormatter: IValueFormatter,
             xValueFormatter: IValueFormatter,
-            localizationManager: ILocalizationManager): HistogramDataPoint[] {
+            localizationManager: ILocalizationManager
+        ): HistogramDataPoint[] {
 
             let fontSizeInPx: string = PixelConverter.fromPoint(settings.labels.fontSize);
 
@@ -611,8 +614,8 @@ module powerbi.extensibility.visual {
             includeLeftBorder: boolean,
             yValueFormatter: IValueFormatter,
             xValueFormatter: IValueFormatter,
-            localizationManager: ILocalizationManager): VisualTooltipDataItem[] {
-
+            localizationManager: ILocalizationManager
+        ): VisualTooltipDataItem[] {
             return [
                 {
                     displayName: Histogram.getLegendText(settings, localizationManager),
@@ -627,9 +630,9 @@ module powerbi.extensibility.visual {
         private static getSubDataPoints(
             values: HistogramValue[],
             bin: HistogramDataPoint,
-            index: number): HistogramSubDataPoint[] {
-
-            let dataPoints: SelectableDataPoint[] = [];
+            index: number
+        ): HistogramSubDataPoint[] {
+            const dataPoints: SelectableDataPoint[] = [];
 
             values.forEach((value: HistogramValue) => {
                 if (Histogram.isValueContainedInRange(value, bin, index)) {
@@ -653,13 +656,18 @@ module powerbi.extensibility.visual {
                 && dataView.metadata
                 && dataView.metadata.columns
                 && dataView.metadata.columns[0]
-                && dataView.metadata.columns[0].displayName) || null;
+                && dataView.metadata.columns[0].displayName
+            ) || null;
         }
 
-        private static parseSettings(dataView: DataView): HistogramSettings {
-            let settings: HistogramSettings = HistogramSettings.parse<HistogramSettings>(dataView),
-                displayName: string = Histogram.getDisplayName(dataView),
-                bins: number = Math.round(settings.general.bins);
+        private static parseSettings(
+            dataView: DataView,
+            colorHelper: ColorHelper,
+        ): HistogramSettings {
+            const settings: HistogramSettings = HistogramSettings.parse<HistogramSettings>(dataView);
+            const displayName: string = Histogram.getDisplayName(dataView);
+
+            let bins: number = Math.round(settings.general.bins);
 
             if (displayName) {
                 settings.general.displayName = displayName;
@@ -673,14 +681,24 @@ module powerbi.extensibility.visual {
 
             settings.general.bins = bins;
 
+            settings.dataPoint.fill = colorHelper.getHighContrastColor("foreground", settings.dataPoint.fill);
+
             settings.xAxis.precision = Histogram.getPrecision(settings.xAxis.precision);
+            settings.xAxis.axisColor = colorHelper.getHighContrastColor("foreground", settings.xAxis.axisColor);
+            settings.xAxis.strokeColor = colorHelper.getHighContrastColor("foreground", settings.xAxis.strokeColor);
+
             settings.yAxis.precision = Histogram.getPrecision(settings.yAxis.precision);
+            settings.yAxis.axisColor = colorHelper.getHighContrastColor("foreground", settings.yAxis.axisColor);
+            settings.yAxis.strokeColor = colorHelper.getHighContrastColor("foreground", settings.yAxis.strokeColor);
+
             settings.labels.precision = Histogram.getPrecision(settings.labels.precision);
+            settings.labels.color = colorHelper.getHighContrastColor("foreground", settings.labels.color);
 
             settings.general.displayName = Histogram.getLegend(
                 settings.general.displayName,
                 settings.xAxis.style,
-                settings.xAxis.displayUnits);
+                settings.xAxis.displayUnits
+            );
 
             return settings;
         }
@@ -688,43 +706,33 @@ module powerbi.extensibility.visual {
         private static getPrecision(precision: number): number {
             return Math.min(
                 Math.max(precision, Histogram.MinPrecision),
-                Histogram.MaxPrecision);
+                Histogram.MaxPrecision
+            );
         }
 
         public static getLegend(title: string, style: HistogramAxisStyle, displayUnit: number): string {
-            let retValue: string,
-                formatter: IValueFormatter;
-
-            formatter = ValueFormatter.create({
-                value: displayUnit
-            });
+            const formatter: IValueFormatter = ValueFormatter.create({ value: displayUnit, });
 
             switch (style) {
                 case HistogramAxisStyle.showTitleOnly: {
-                    retValue = title;
-
-                    break;
+                    return title;
                 }
                 case HistogramAxisStyle.showUnitOnly: {
-                    retValue = !(displayUnit === 0 || displayUnit === 1) && formatter.displayUnit
+                    return !(displayUnit === 0 || displayUnit === 1) && formatter.displayUnit
                         ? formatter.displayUnit.title
                         : title;
-
-                    break;
                 }
                 case HistogramAxisStyle.showBoth: {
-                    retValue = !(displayUnit === 0 || displayUnit === 1) && formatter.displayUnit
+                    return !(displayUnit === 0 || displayUnit === 1) && formatter.displayUnit
                         ? `${title} (${formatter.displayUnit.title})`
                         : title;
-
-                    break;
                 }
             }
 
-            return retValue;
+            return undefined;
         }
 
-        public isDataValid(data: HistogramDataView): boolean {
+        public isDataValid(data: HistogramData): boolean {
             if (!data
                 || !data.dataPoints
                 || data.dataPoints.length === Histogram.MinAmountOfDataPoints) {
@@ -756,15 +764,17 @@ module powerbi.extensibility.visual {
 
             this.setSize(options.viewport);
 
-            this.dataView = Histogram.converter(
+            this.data = Histogram.converter(
                 dataView,
                 this.visualHost,
-                this.localizationManager);
+                this.localizationManager,
+                this.colorHelper,
+            );
 
-            borderValues = this.dataView.borderValues;
-            xAxisSettings = this.dataView.settings.xAxis;
+            borderValues = this.data.borderValues;
+            xAxisSettings = this.data.settings.xAxis;
 
-            if (!this.isDataValid(this.dataView)) {
+            if (!this.isDataValid(this.data)) {
                 this.clear();
 
                 return;
@@ -774,7 +784,7 @@ module powerbi.extensibility.visual {
 
             maxWidthOfVerticalAxisLabel = this.updateAxes(dataView);
 
-            this.columsAndAxesTransform(maxWidthOfVerticalAxisLabel);
+            this.columnsAndAxesTransform(maxWidthOfVerticalAxisLabel);
 
             this.createScales();
 
@@ -789,16 +799,16 @@ module powerbi.extensibility.visual {
                 maxHeightOfVerticalAxisLabel: number;
 
             maxWidthOfVerticalAxisLabel = Histogram.getWidthOfLabel(
-                this.dataView.borderValues.maxY,
-                this.dataView.yLabelFormatter);
+                this.data.borderValues.maxY,
+                this.data.yLabelFormatter);
 
             maxWidthOfHorizontalAxisLabel = Histogram.getWidthOfLabel(
-                this.dataView.borderValues.maxX,
-                this.dataView.xLabelFormatter);
+                this.data.borderValues.maxX,
+                this.data.xLabelFormatter);
 
             maxHeightOfVerticalAxisLabel = Histogram.getHeightOfLabel(
-                this.dataView.borderValues.maxX,
-                this.dataView.xLabelFormatter);
+                this.data.borderValues.maxX,
+                this.data.xLabelFormatter);
 
             let ySource = dataView.categorical.values &&
                 dataView.categorical.values[0] &&
@@ -813,7 +823,7 @@ module powerbi.extensibility.visual {
             this.yTitleMargin = this.shouldShowYOnRight()
                 ? this.viewport.width
                 - Histogram.YTitleMargin
-                + this.dataView.yLegendSize
+                + this.data.yLegendSize
                 : Histogram.MinYTitleMargin;
 
             this.updateViewportIn(maxWidthOfVerticalAxisLabel);
@@ -831,28 +841,28 @@ module powerbi.extensibility.visual {
 
         private applySelectionStateToData(): void {
             if (this.interactivityService) {
-                this.dataView.dataPoints.forEach((dataPoint: HistogramDataPoint) => {
+                this.data.dataPoints.forEach((dataPoint: HistogramDataPoint) => {
                     this.interactivityService.applySelectionStateToData(dataPoint.subDataPoints);
                 });
             }
         }
 
         private createScales(): void {
-            const yAxisSettings: HistogramYAxisSettings = this.dataView.settings.yAxis,
-                xAxisSettings: HistogramXAxisSettings = this.dataView.settings.xAxis,
-                borderValues: HistogramBorderValues = this.dataView.borderValues;
+            const yAxisSettings: HistogramYAxisSettings = this.data.settings.yAxis,
+                xAxisSettings: HistogramXAxisSettings = this.data.settings.xAxis,
+                borderValues: HistogramBorderValues = this.data.borderValues;
 
-            this.dataView.xScale = d3.scale.linear()
+            this.data.xScale = d3.scale.linear()
                 .domain([
-                    this.dataView.xCorrectedMin !== null ? this.dataView.xCorrectedMin : xAxisSettings.start,
-                    this.dataView.xCorrectedMax !== null ? this.dataView.xCorrectedMax : xAxisSettings.end
+                    this.data.xCorrectedMin !== null ? this.data.xCorrectedMin : xAxisSettings.start,
+                    this.data.xCorrectedMax !== null ? this.data.xCorrectedMax : xAxisSettings.end
                 ])
                 .range([
                     0,
                     this.viewportIn.width
                 ]);
 
-            this.dataView.yScale = d3.scale.linear()
+            this.data.yScale = d3.scale.linear()
                 .domain([
                     yAxisSettings.start,
                     yAxisSettings.end
@@ -868,10 +878,10 @@ module powerbi.extensibility.visual {
                 height: number;
 
             width = this.viewport.width
-                - this.dataView.yLegendSize
+                - this.data.yLegendSize
                 - maxWidthOfVerticalAxisLabel;
 
-            height = this.viewport.height - this.dataView.xLegendSize;
+            height = this.viewport.height - this.data.xLegendSize;
 
             this.viewportIn = {
                 height: Math.max(height, Histogram.MinViewportInSize),
@@ -879,15 +889,19 @@ module powerbi.extensibility.visual {
             };
         }
 
-        private updateWidthOfColumn(updateMode: UpdateColumnsWidthMode): void {
-            let countOfValues: number = this.dataView.dataPoints.length,
-                widthOfColumn: number,
-                borderValues: HistogramBorderValues = this.dataView.borderValues,
-                firstDataPoint: number = this.dataView.xCorrectedMin ? this.dataView.xCorrectedMin : borderValues.minX;
+        private getColumnWidth(strokeWidth: number): number {
+            const countOfValues: number = this.data.dataPoints.length;
+            const borderValues: HistogramBorderValues = this.data.borderValues;
 
-            widthOfColumn = countOfValues ? this.dataView.xScale(firstDataPoint + this.dataView.dataPoints[0].dx) - Histogram.ColumnPadding : Histogram.MinViewportInSize;
+            const firstDataPoint: number = this.data.xCorrectedMin
+                ? this.data.xCorrectedMin
+                : borderValues.minX;
+
+            const widthOfColumn = countOfValues
+                ? this.data.xScale(firstDataPoint + this.data.dataPoints[0].dx) - Histogram.ColumnPadding - strokeWidth
+                : Histogram.MinViewportInSize;
 
-            this.widthOfColumn = Math.max(widthOfColumn, Histogram.MinViewportInSize);
+            return Math.max(widthOfColumn, Histogram.MinViewportInSize);
         }
 
         private clear(): void {
@@ -916,8 +930,8 @@ module powerbi.extensibility.visual {
 
         private static getWidthOfLabel(
             labelValue: number | string,
-            valueFormatter: IValueFormatter): number {
-
+            valueFormatter: IValueFormatter
+        ): number {
             const textProperties: TextProperties =
                 Histogram.getTextPropertiesForMeasurement(labelValue, valueFormatter);
 
@@ -926,8 +940,8 @@ module powerbi.extensibility.visual {
 
         private static getHeightOfLabel(
             labelValue: number | string,
-            valueFormatter: IValueFormatter): number {
-
+            valueFormatter: IValueFormatter
+        ): number {
             const textProperties: TextProperties =
                 Histogram.getTextPropertiesForMeasurement(labelValue, valueFormatter);
 
@@ -936,7 +950,8 @@ module powerbi.extensibility.visual {
 
         private static getTextPropertiesForMeasurement(
             labelValue: string | number,
-            valueFormatter?: IValueFormatter): TextProperties {
+            valueFormatter?: IValueFormatter
+        ): TextProperties {
 
             let labelText: string;
 
@@ -950,14 +965,11 @@ module powerbi.extensibility.visual {
         }
 
         private setSize(viewport: IViewport): void {
-            let height: number,
-                width: number;
-
-            height = viewport.height
+            const height = viewport.height
                 - Histogram.Margin.top
                 - Histogram.Margin.bottom;
 
-            width = viewport.width
+            const width = viewport.width
                 - Histogram.Margin.left
                 - Histogram.Margin.right;
 
@@ -986,43 +998,46 @@ module powerbi.extensibility.visual {
         }
 
         public shouldShowYOnRight(): boolean {
-            return this.dataView.settings.yAxis.position === HistogramPositionType.Right;
+            return this.data.settings.yAxis.position === HistogramPositionType.Right;
         }
 
-        private columsAndAxesTransform(labelWidth: number): void {
-            let offsetToRightStr: string,
-                offsetToRight: number = this.shouldShowYOnRight()
-                    ? Histogram.Margin.left
-                    : this.dataView.settings.yAxis.title
-                        ? Histogram.Margin.left + labelWidth + Histogram.YAxisMargin
-                        : Histogram.Margin.left + labelWidth;
+        private columnsAndAxesTransform(labelWidth: number): void {
+            const offsetToRight: number = this.shouldShowYOnRight()
+                ? Histogram.Margin.left
+                : this.data.settings.yAxis.title
+                    ? Histogram.Margin.left + labelWidth + Histogram.YAxisMargin
+                    : Histogram.Margin.left + labelWidth;
 
-            offsetToRightStr = translate(
+            const offsetToRightStr = translate(
                 offsetToRight + Histogram.ColumnAndLabelOffset,
-                Histogram.DefaultPosition);
+                Histogram.DefaultPosition
+            );
 
             this.columns.attr("transform", offsetToRightStr);
             this.labelGraphicsContext.attr("transform", offsetToRightStr);
 
             this.axes.attr("transform", translate(
                 offsetToRight,
-                Histogram.DefaultPosition));
+                Histogram.DefaultPosition)
+            );
 
             this.axisY.attr("transform", translate(
                 this.shouldShowYOnRight()
                     ? this.viewportIn.width
                     : Histogram.DefaultPosition,
-                Histogram.DefaultPosition));
+                Histogram.DefaultPosition)
+            );
 
             this.axisX.attr("transform", translate(
                 Histogram.DefaultPosition,
-                this.viewportIn.height));
+                this.viewportIn.height)
+            );
         }
 
         private render(): void {
             const columnsSelection: UpdateSelection<any> = this.renderColumns();
 
-            this.bindTooltipsToSelection(columnsSelection);
+            this.bindTooltipToSelection(columnsSelection);
 
             this.bindSelectionHandler(columnsSelection);
 
@@ -1032,20 +1047,21 @@ module powerbi.extensibility.visual {
         }
 
         private renderColumns(): UpdateSelection<HistogramDataPoint> {
-            let data: HistogramDataPoint[] = this.dataView.dataPoints,
-                xScale: LinearScale<any, any> = this.dataView.xScale,
-                yScale: LinearScale<any, any> = this.dataView.yScale,
-                updateColumnsSelection: UpdateSelection<any>;
+            const data: HistogramDataPoint[] = this.data.dataPoints;
 
-            updateColumnsSelection = this.columnsSelection.data(data);
+            const xScale: LinearScale<any, any> = this.data.xScale;
+            const yScale: LinearScale<any, any> = this.data.yScale;
+
+            const updateColumnsSelection: UpdateSelection<any> = this.columnsSelection.data(data);
 
             updateColumnsSelection
                 .enter()
                 .append("svg:rect")
                 .classed(Histogram.Column.className, true);
 
-            // We can operate by xScale inside this function only when scale was created
-            this.updateWidthOfColumn(UpdateColumnsWidthMode.standardCalculation);
+            const strokeWidth: number = this.getStrokeWidth();
+
+            this.columnWidth = this.getColumnWidth(strokeWidth);
 
             updateColumnsSelection
                 .attr({
@@ -1055,17 +1071,26 @@ module powerbi.extensibility.visual {
                     "y": (dataPoint: HistogramDataPoint) => {
                         return yScale(dataPoint.y);
                     },
-                    "width": this.widthOfColumn,
+                    "width": this.columnWidth,
                     "height": (dataPoint: HistogramDataPoint) => {
                         return this.getColumnHeight(dataPoint, yScale);
                     }
                 })
-                .style("fill", this.dataView.settings.dataPoint.fill);
+                .style({
+                    "fill": this.colorHelper.isHighContrast
+                        ? null
+                        : this.data.settings.dataPoint.fill,
+                    "stroke": this.colorHelper.isHighContrast
+                        ? this.data.settings.dataPoint.fill
+                        : null,
+                    "stroke-width": PixelConverter.toString(strokeWidth),
+                });
 
-            histogramUtils.updateFillOpacity(
+            histogramUtils.updateOpacity(
                 updateColumnsSelection,
                 this.interactivityService,
-                false);
+                false
+            );
 
             updateColumnsSelection
                 .exit()
@@ -1074,7 +1099,11 @@ module powerbi.extensibility.visual {
             return updateColumnsSelection;
         }
 
-        private bindTooltipsToSelection(selection: UpdateSelection<any>): void {
+        private getStrokeWidth(): number {
+            return this.colorHelper.isHighContrast ? 2 : 0;
+        }
+
+        private bindTooltipToSelection(selection: UpdateSelection<any>): void {
             this.tooltipServiceWrapper.addTooltip(selection, (eventArgs: TooltipEventArgs<HistogramDataPoint>) => {
                 return eventArgs.data.tooltipInfo;
             });
@@ -1087,41 +1116,39 @@ module powerbi.extensibility.visual {
         }
 
         private renderXAxis(): void {
-            let xAxis: SVGAxis,
-                xShow: boolean = this.dataView.settings.xAxis.show,
-                axisColor: string = this.dataView.settings.xAxis.axisColor;
+            if (!this.data.settings.xAxis.show) {
+                this.clearElement(this.axisX);
+
+                return;
+            }
 
-            xAxis = this.xAxisProperties.axis
+            const xAxis: SVGAxis = this.xAxisProperties.axis
                 .tickFormat(((value: number, index: number) => {
-                    let tickValues: any[] = this.xAxisProperties.axis.tickValues(),
-                        amountOfLabels: number = (tickValues && tickValues.length)
-                            || Histogram.MinAmountOfLabels;
+                    const tickValues: any[] = this.xAxisProperties.axis.tickValues();
+                    const amountOfLabels: number = (tickValues && tickValues.length) || Histogram.MinLabelNumber;
 
                     return this.formatLabelOfXAxis(value, index, amountOfLabels);
                 }) as any) // We cast this function to any, because the type definition doesn't contain the second argument
                 .orient("bottom");
 
-            if (xShow) {
-                this.axisX.call(xAxis);
-            } else {
-                this.clearElement(this.axisX);
-            }
+            this.axisX.call(xAxis);
 
-            this.updateFillColorOfAxis(this.axisX, axisColor);
+            this.updateFillColorOfAxis(this.axisX, this.data.settings.xAxis);
         }
 
         private formatLabelOfXAxis(labelValue: number | string, index: number, amountOfLabels: number): string {
-            let maxWidthOfTheLatestLabel: number,
-                formattedLabel: string = this.dataView.xLabelFormatter.format(labelValue);
+            const formattedLabel: string = this.data.xLabelFormatter.format(labelValue);
 
             if (index === 0 || index === amountOfLabels - 1) {
-                maxWidthOfTheLatestLabel = Math.min(
+                const maxWidthOfTheLatestLabel: number = Math.min(
                     this.viewportIn.width,
-                    Histogram.MaxWidthOfTheLatestLabel);
+                    Histogram.MaxWidthOfTheLatestLabel
+                );
 
-                formattedLabel = Histogram.getTailoredTextOrDefault(
+                return Histogram.getTailoredTextOrDefault(
                     formattedLabel,
-                    maxWidthOfTheLatestLabel);
+                    maxWidthOfTheLatestLabel
+                );
             }
 
             return formattedLabel;
@@ -1142,39 +1169,36 @@ module powerbi.extensibility.visual {
         }
 
         private renderYAxis(): void {
-            let yAxis: SVGAxis,
-                yShow: boolean = this.dataView.settings.yAxis.show,
-                axisColor: string = this.dataView.settings.yAxis.axisColor;
+            if (!this.data.settings.yAxis.show) {
+                this.clearElement(this.axisY);
 
-            yAxis = this.yAxisProperties.axis
-                .orient(this.dataView.settings.yAxis.position.toString().toLowerCase())
+                return;
+            }
+
+            const yAxis: SVGAxis = this.yAxisProperties.axis
+                .orient(this.data.settings.yAxis.position.toString().toLowerCase())
                 .tickFormat((item: number) => {
-                    return this.dataView.yLabelFormatter.format(item);
+                    return this.data.yLabelFormatter.format(item);
                 });
 
-            if (yShow) {
-                this.axisY.call(yAxis);
-            } else {
-                this.clearElement(this.axisY);
-            }
+            this.axisY.call(yAxis);
 
-            this.updateFillColorOfAxis(this.axisY, axisColor);
+            this.updateFillColorOfAxis(this.axisY, this.data.settings.yAxis);
         }
 
-        private updateFillColorOfAxis(axisSelection: Selection<any>, fillColor: string): void {
-            axisSelection
-                .selectAll("g.tick text")
-                .style({
-                    "fill": fillColor
-                });
+        private updateFillColorOfAxis(axisSelection: Selection<any>, settings: HistogramAxisSettings): void {
+            axisSelection.style({
+                "fill": settings.axisColor,
+                "stroke": settings.strokeColor,
+            });
         }
 
         private getLabelLayout(): ILabelLayout {
-            let labelSettings: HistogramLabelSettings = this.dataView.settings.labels,
+            let labelSettings: HistogramLabelSettings = this.data.settings.labels,
                 fontSizeInPx: string = PixelConverter.fromPoint(labelSettings.fontSize),
                 fontFamily: string = dataLabelUtils.LabelTextProperties.fontFamily,
-                xScale: LinearScale<any, any> = this.dataView.xScale,
-                yScale: LinearScale<any, any> = this.dataView.yScale,
+                xScale: LinearScale<any, any> = this.data.xScale,
+                yScale: LinearScale<any, any> = this.data.yScale,
                 dataLabelFormatter: IValueFormatter = ValueFormatter.create({
                     value: labelSettings.displayUnits,
                     precision: labelSettings.precision
@@ -1191,7 +1215,7 @@ module powerbi.extensibility.visual {
 
                         x = xScale(dataPoint.x);
                         dx = dataPoint.size.width / Histogram.DataLabelXOffset
-                            - this.widthOfColumn / Histogram.MiddleFactor;
+                            - this.columnWidth / Histogram.MiddleFactor;
 
                         return x - dx;
                     },
@@ -1219,8 +1243,8 @@ module powerbi.extensibility.visual {
         }
 
         private renderLabels(): void {
-            let labelSettings: HistogramLabelSettings = this.dataView.settings.labels,
-                dataPointsArray: HistogramDataPoint[] = this.dataView.dataPoints,
+            let labelSettings: HistogramLabelSettings = this.data.settings.labels,
+                dataPointsArray: HistogramDataPoint[] = this.data.dataPoints,
                 labels: UpdateSelection<HistogramDataPoint>;
 
             if (!labelSettings.show) {
@@ -1264,14 +1288,13 @@ module powerbi.extensibility.visual {
         private static rangeToString(
             range: number[],
             includeLeftBorder: boolean,
-            valueFormatter: IValueFormatter): string {
+            valueFormatter: IValueFormatter
+        ): string {
+            const rightBracket: string = Histogram.IncludeBrackets.right;
+            const leftBorder: string = valueFormatter.format(range[0]);
+            const rightBorder: string = valueFormatter.format(range[1]);
 
-            let leftBracket: string,
-                rightBracket: string = Histogram.IncludeBrackets.right,
-                leftBorder: string = valueFormatter.format(range[0]),
-                rightBorder: string = valueFormatter.format(range[1]);
-
-            leftBracket = includeLeftBorder
+            const leftBracket = includeLeftBorder
                 ? Histogram.IncludeBrackets.left
                 : Histogram.ExcludeBrackets.left;
 
@@ -1279,15 +1302,13 @@ module powerbi.extensibility.visual {
         }
 
         private renderLegend(): void {
-            let legendElements: Selection<Legend>,
-                legendSelection: UpdateSelection<Legend>,
-                datalegends: Legend[] = this.getDataLegends(this.dataView.settings);
+            const dataLegends: Legend[] = this.getDataLegends(this.data.settings);
 
-            legendElements = this.main
+            const legendElements: Selection<Legend> = this.main
                 .select(Histogram.Legends.selectorName)
                 .selectAll(Histogram.Legend.selectorName);
 
-            legendSelection = legendElements.data(datalegends);
+            const legendSelection: UpdateSelection<Legend> = legendElements.data(dataLegends);
 
             legendSelection
                 .enter()
@@ -1299,8 +1320,9 @@ module powerbi.extensibility.visual {
                     "y": Histogram.DefaultLegendPosition,
                     "dx": (legend: Legend) => legend.dx,
                     "dy": (legend: Legend) => legend.dy,
-                    "transform": (legend: Legend) => legend.transform
+                    "transform": (legend: Legend) => legend.transform,
                 })
+                .style("fill", (legend: Legend) => legend.color)
                 .text((item: Legend) => item.text)
                 .classed(Histogram.Legend.className, true);
 
@@ -1311,18 +1333,18 @@ module powerbi.extensibility.visual {
             this.legend
                 .select("text")
                 .style({
-                    "display": Histogram.getDispayForAxisTitle(this.dataView.settings.xAxis)
+                    "display": Histogram.getDisplayForAxisTitle(this.data.settings.xAxis)
                 });
 
             this.legend
                 .selectAll("text")
                 .filter((d, index: number) => index === 1)
                 .style({
-                    "display": Histogram.getDispayForAxisTitle(this.dataView.settings.yAxis)
+                    "display": Histogram.getDisplayForAxisTitle(this.data.settings.yAxis)
                 });
         }
 
-        private static getDispayForAxisTitle(axisSettings: HistogramAxisSettings): string {
+        private static getDisplayForAxisTitle(axisSettings: HistogramAxisSettings): string {
             return axisSettings && axisSettings.title
                 ? null
                 : "none";
@@ -1334,7 +1356,8 @@ module powerbi.extensibility.visual {
             bottomLegendText = Histogram.getLegend(
                 bottomLegendText,
                 settings.yAxis.style,
-                settings.yAxis.displayUnits);
+                settings.yAxis.displayUnits
+            );
 
             return [
                 {
@@ -1345,7 +1368,8 @@ module powerbi.extensibility.visual {
                         settings.general.displayName,
                         this.viewportIn.width),
                     dx: Histogram.DefaultXAxisDx,
-                    dy: Histogram.DefaultXAxisDy
+                    dy: Histogram.DefaultXAxisDy,
+                    color: settings.xAxis.axisColor,
                 }, {
                     transform: translateAndRotate(
                         this.shouldShowYOnRight()
@@ -1358,7 +1382,8 @@ module powerbi.extensibility.visual {
                     text: Histogram.getTailoredTextOrDefault(
                         bottomLegendText,
                         this.viewportIn.height),
-                    dx: Histogram.DefaultYAxisDx
+                    dx: Histogram.DefaultYAxisDx,
+                    color: settings.yAxis.axisColor,
                 }
             ];
         }
@@ -1371,19 +1396,19 @@ module powerbi.extensibility.visual {
 
         private bindSelectionHandler(columnsSelection: UpdateSelection<HistogramDataPoint>): void {
             if (!this.interactivityService
-                || !this.dataView
-                || !this.dataView.dataPoints) {
-
+                || !this.data
+                || !this.data.dataPoints
+            ) {
                 return;
             }
 
             let subDataPoints: SelectableDataPoint[] = [];
 
-            this.dataView.dataPoints.forEach((dataPoint: HistogramDataPoint) => {
+            this.data.dataPoints.forEach((dataPoint: HistogramDataPoint) => {
                 subDataPoints = subDataPoints.concat(dataPoint.subDataPoints);
             });
 
-            let behaviorOptions: HistogramBehaviorOptions = {
+            const behaviorOptions: HistogramBehaviorOptions = {
                 columns: columnsSelection,
                 clearCatcher: this.clearCatcher,
                 interactivityService: this.interactivityService,
@@ -1392,12 +1417,13 @@ module powerbi.extensibility.visual {
             this.interactivityService.bind(
                 subDataPoints,
                 this.behavior,
-                behaviorOptions);
+                behaviorOptions
+            );
         }
 
         public enumerateObjectInstances(options: EnumerateVisualObjectInstancesOptions): VisualObjectInstanceEnumeration {
-            const settings: HistogramSettings = this.dataView && this.dataView.settings
-                ? this.dataView.settings
+            const settings: HistogramSettings = this.data && this.data.settings
+                ? this.data.settings
                 : HistogramSettings.getDefault() as HistogramSettings;
 
             return HistogramSettings.enumerateObjectInstances(settings, options);
@@ -1442,7 +1468,7 @@ module powerbi.extensibility.visual {
         private formatXlabelsForFiltering(
             nonFormattedPoint: number
         ): number {
-            let formattedPoint: string = this.dataView.xLabelFormatter.format(nonFormattedPoint);
+            let formattedPoint: string = this.data.xLabelFormatter.format(nonFormattedPoint);
             return parseFloat(formattedPoint);
         }
 
@@ -1454,20 +1480,20 @@ module powerbi.extensibility.visual {
         ): IAxisProperties {
             let axes: IAxisProperties,
                 width: number = this.viewportIn.width,
-                xAxisSettings: HistogramXAxisSettings = this.dataView.settings.xAxis,
+                xAxisSettings: HistogramXAxisSettings = this.data.settings.xAxis,
                 xPoints: number[],
                 interval: number,
-                borderValues: HistogramBorderValues = this.dataView.borderValues,
+                borderValues: HistogramBorderValues = this.data.borderValues,
                 tmpStart: number,
                 tmpEnd: number,
                 tmpArr: number[],
                 closerLimit: number;
 
-            xPoints = Histogram.rangesToArray(this.dataView.dataPoints);
+            xPoints = Histogram.rangesToArray(this.data.dataPoints);
 
             // It is necessary to find out interval to calculate all necessary points before and after offset (if start and end for X axis was changed by user)
             if ((borderValues.maxX !== xAxisSettings.end || borderValues.minX !== xAxisSettings.start) && xPoints.length > 1) {
-                interval = this.dataView.dataPoints[0].dx;
+                interval = this.data.dataPoints[0].dx;
 
                 // The interval must be greater than zero to avoid infinity loops
                 if (this.isIntervalValid(interval)) {
@@ -1475,7 +1501,7 @@ module powerbi.extensibility.visual {
                     if (xAxisSettings.start > borderValues.minX) {
                         closerLimit = this.findBorderMinCloserToXAxisStart(borderValues.minX, xAxisSettings.start, interval);
                         xPoints = xPoints.filter(dpv => this.formatXlabelsForFiltering(dpv) >= closerLimit);
-                        this.dataView.xCorrectedMin = xPoints && xPoints.length > 0 ? xPoints[0] : null;
+                        this.data.xCorrectedMin = xPoints && xPoints.length > 0 ? xPoints[0] : null;
                     }
                     else {
                         // Add points before
@@ -1484,7 +1510,7 @@ module powerbi.extensibility.visual {
                         while (xAxisSettings.start < tmpStart) {
                             tmpStart = tmpStart - interval;
                             tmpArr.push(tmpStart);
-                            this.dataView.xCorrectedMin = tmpStart;
+                            this.data.xCorrectedMin = tmpStart;
                         }
                         tmpArr.reverse();
                         xPoints = tmpArr.concat(xPoints);
@@ -1494,7 +1520,7 @@ module powerbi.extensibility.visual {
                     if (xAxisSettings.end < borderValues.maxX) {
                         closerLimit = this.findBorderMaxCloserToXAxisEnd(borderValues.maxX, xAxisSettings.end, interval);
                         xPoints = xPoints.filter(dpv => this.formatXlabelsForFiltering(dpv) <= closerLimit);
-                        this.dataView.xCorrectedMax = xPoints && xPoints.length > 0 ? xPoints[xPoints.length - 1] : null;
+                        this.data.xCorrectedMax = xPoints && xPoints.length > 0 ? xPoints[xPoints.length - 1] : null;
                     }
                     else {
                         // Add points after
@@ -1502,7 +1528,7 @@ module powerbi.extensibility.visual {
                         while (xAxisSettings.end > tmpEnd) {
                             tmpEnd = tmpEnd + interval;
                             xPoints.push(tmpEnd);
-                            this.dataView.xCorrectedMax = tmpEnd;
+                            this.data.xCorrectedMax = tmpEnd;
                         }
                     }
                 }
@@ -1561,7 +1587,7 @@ module powerbi.extensibility.visual {
                 tickLabelPadding: undefined
             });
 
-            xAxisProperties.axisLabel = this.dataView.settings.general.displayName;
+            xAxisProperties.axisLabel = this.data.settings.general.displayName;
 
             return xAxisProperties;
         }
@@ -1570,7 +1596,7 @@ module powerbi.extensibility.visual {
             source: DataViewMetadataColumn,
             heightOfLabel: number): IAxisProperties {
 
-            let yAxisSettings: HistogramYAxisSettings = this.dataView.settings.yAxis;
+            let yAxisSettings: HistogramYAxisSettings = this.data.settings.yAxis;
 
             return this.calculateYAxesProperties(
                 [yAxisSettings.start, yAxisSettings.end],
@@ -1589,7 +1615,7 @@ module powerbi.extensibility.visual {
 
             let formatString: string = undefined;
 
-            if (this.dataView.settings.general.frequency) {
+            if (this.data.settings.general.frequency) {
                 formatString = valueFormatter.getFormatStringByColumn(metaDataColumn);
             }
 
diff --git a/style/visual.less b/style/visual.less
index 91f0958..ddf5eb0 100644
--- a/style/visual.less
+++ b/style/visual.less
@@ -32,20 +32,18 @@
 @import (less) "node_modules/powerbi-visuals-utils-chartutils/lib/index.css";
 
 .histogram {
-    @histogramAxesColor: #777777;
-
     font-family: helvetica, arial, sans-serif;
 
     .axis, .legends {
         path, line {
             fill: none;
-            stroke: @histogramAxesColor;
             shape-rendering: crispEdges;
         }
 
         text {
-            fill: @histogramAxesColor;
             font-size: 11px;
+            stroke: transparent;
+            stroke-width: 0;
         }
     }
 
@@ -53,6 +51,12 @@
         text {
             font-size: 12px;
             text-anchor: middle;
+            stroke: transparent;
+            stroke-width: 0;
         }
     }
+
+    .column {
+        fill: transparent;
+    }
 }
diff --git a/test/_references.ts b/test/_references.ts
index a47bb73..fc44d3b 100644
--- a/test/_references.ts
+++ b/test/_references.ts
@@ -29,7 +29,7 @@
 /// <reference path="../node_modules/@types/jasmine-jquery/index.d.ts" />
 
 // Power BI API
-/// <reference path="../.api/v1.11.0/PowerBI-visuals.d.ts" />
+/// <reference path="../.api/v1.13.0/PowerBI-visuals.d.ts" />
 
 // Power BI Extensibility
 /// <reference path="../node_modules/powerbi-visuals-utils-typeutils/lib/index.d.ts" />
diff --git a/test/helpers/helpers.ts b/test/helpers/helpers.ts
index 4c47623..9e43d60 100644
--- a/test/helpers/helpers.ts
+++ b/test/helpers/helpers.ts
@@ -27,6 +27,19 @@
 /// <reference path="../_references.ts"/>
 
 module powerbi.extensibility.visual.test.helpers {
+    // powerbi.extensibility.utils.test
+    import RgbColor = powerbi.extensibility.utils.test.helpers.color.RgbColor;
+    import parseColorString = powerbi.extensibility.utils.test.helpers.color.parseColorString;
+
+    export function areColorsEqual(firstColor: string, secondColor: string): boolean {
+        const firstConvertedColor: RgbColor = parseColorString(firstColor),
+            secondConvertedColor: RgbColor = parseColorString(secondColor);
+
+        return firstConvertedColor.R === secondConvertedColor.R
+            && firstConvertedColor.G === secondConvertedColor.G
+            && firstConvertedColor.B === secondConvertedColor.B;
+    }
+
     export function getSolidColorStructuralObject(color: string): any {
         return { solid: { color } };
     }
diff --git a/test/visualBuilder.ts b/test/visualBuilder.ts
index 3b92312..45a6a9f 100644
--- a/test/visualBuilder.ts
+++ b/test/visualBuilder.ts
@@ -64,7 +64,7 @@ module powerbi.extensibility.visual.test {
                 .children("text.data-labels");
         }
 
-        public get columnRects() {
+        public get columns() {
             return this.mainElement
                 .children("g")
                 .children("g.columns")
diff --git a/test/visualTest.ts b/test/visualTest.ts
index 5abf37d..094dd8c 100644
--- a/test/visualTest.ts
+++ b/test/visualTest.ts
@@ -29,6 +29,7 @@
 module powerbi.extensibility.visual.test {
     // powerbi.extensibility.visual.test
     import HistogramData = powerbi.extensibility.visual.test.HistogramData;
+    import areColorsEqual = powerbi.extensibility.visual.test.helpers.areColorsEqual;
     import HistogramChartBuilder = powerbi.extensibility.visual.test.HistogramChartBuilder;
     import getSolidColorStructuralObject = powerbi.extensibility.visual.test.helpers.getSolidColorStructuralObject;
 
@@ -505,14 +506,14 @@ module powerbi.extensibility.visual.test {
 
                     visualBuilder.updateFlushAllD3Transitions(dataView);
 
-                    expect(visualBuilder.columnRects.length).toBe(bins);
+                    expect(visualBuilder.columns.length).toBe(bins);
 
                     bins = 6;
 
                     (dataView.metadata.objects as any).general.bins = bins;
                     visualBuilder.updateFlushAllD3Transitions(dataView);
 
-                    expect(visualBuilder.columnRects.length).toBe(bins);
+                    expect(visualBuilder.columns.length).toBe(bins);
                 });
             });
 
@@ -528,7 +529,7 @@ module powerbi.extensibility.visual.test {
 
                     visualBuilder.updateFlushAllD3Transitions(dataView);
 
-                    visualBuilder.columnRects
+                    visualBuilder.columns
                         .toArray()
                         .forEach((element: Element) => {
                             assertColorsMatch($(element).css("fill"), color);
@@ -663,7 +664,7 @@ module powerbi.extensibility.visual.test {
                     visualBuilder.updateFlushAllD3Transitions(dataView);
 
                     expect(visualBuilder.labelTexts).toBeInDOM();
-                    expect(visualBuilder.columnRects.length).toBe(visualBuilder.labelTexts.length);
+                    expect(visualBuilder.columns.length).toBe(visualBuilder.labelTexts.length);
 
                     (dataView.metadata.objects as any).labels.show = false;
                     visualBuilder.updateFlushAllD3Transitions(dataView);
@@ -910,7 +911,7 @@ module powerbi.extensibility.visual.test {
                 it("method should return DimmedOpacity when hasSelection is true, selected is false", () => {
                     let fillOpacity: number;
 
-                    fillOpacity = histogramUtils.getFillOpacity(false, false, true, false);
+                    fillOpacity = histogramUtils.getOpacity(false, false, true, false);
 
                     expect(fillOpacity).toBe(histogramUtils.DimmedOpacity);
                 });
@@ -918,7 +919,7 @@ module powerbi.extensibility.visual.test {
                 it("method should return DefaultOpacity when hasSelection is true, selected is true", () => {
                     let fillOpacity: number;
 
-                    fillOpacity = histogramUtils.getFillOpacity(true, false, true, false);
+                    fillOpacity = histogramUtils.getOpacity(true, false, true, false);
 
                     expect(fillOpacity).toBe(histogramUtils.DefaultOpacity);
                 });
@@ -962,7 +963,7 @@ module powerbi.extensibility.visual.test {
         });
 
         describe("Capabilities tests", () => {
-            it("all items having displayName should have displayNameKey property", () => {
+            it("all items that have displayName should have displayNameKey property", () => {
                 jasmine.getJSONFixtures().fixturesPath = "base";
 
                 let jsonData = getJSONFixture("capabilities.json");
@@ -984,5 +985,66 @@ module powerbi.extensibility.visual.test {
                 objectsChecker(jsonData);
             });
         });
+
+        describe("Accessibility", () => {
+            let visualBuilder: HistogramChartBuilder;
+            let dataViewBuilder: HistogramData;
+            let dataView: DataView;
+
+            beforeEach(() => {
+                visualBuilder = new HistogramChartBuilder(1000, 500);
+                dataViewBuilder = new HistogramData();
+
+                dataView = dataViewBuilder.getDataView();
+            });
+
+            describe("High contrast mode", () => {
+                const backgroundColor: string = "#000000";
+                const foregroundColor: string = "#ffff00";
+
+                beforeEach(() => {
+                    visualBuilder.visualHost.colorPalette.isHighContrast = true;
+
+                    visualBuilder.visualHost.colorPalette.background = { value: backgroundColor };
+                    visualBuilder.visualHost.colorPalette.foreground = { value: foregroundColor };
+                });
+
+                it("should not use fill style", (done) => {
+                    visualBuilder.updateRenderTimeout(dataView, () => {
+                        const layers: JQuery[] = visualBuilder.columns.toArray().map($);
+
+                        expect(isColorAppliedToElements(layers, null, "fill"));
+
+                        done();
+                    });
+                });
+
+                it("should use stroke style", (done) => {
+                    visualBuilder.updateRenderTimeout(dataView, () => {
+                        const layers: JQuery[] = visualBuilder.columns.toArray().map($);
+
+                        expect(isColorAppliedToElements(layers, foregroundColor, "stroke"));
+
+                        done();
+                    });
+                });
+
+                function isColorAppliedToElements(
+                    elements: JQuery[],
+                    color?: string,
+                    colorStyleName: string = "fill"
+                ): boolean {
+                    return elements.some((element: JQuery) => {
+                        const currentColor: string = element.css(colorStyleName);
+
+                        if (!currentColor || !color) {
+                            return currentColor === color;
+                        }
+
+                        return areColorsEqual(currentColor, color);
+                    });
+                }
+            });
+        });
     });
 }
diff --git a/tsconfig.json b/tsconfig.json
index ca91d0c..7539c90 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -6,11 +6,10 @@
     "target": "ES5",
     "sourceMap": true,
     "out": "./.tmp/build/visual.js",
-    "sourceRoot": "../../src/",
     "declaration": true
   },
   "files": [
-    ".api/v1.11.0/PowerBI-visuals.d.ts",
+    ".api/v1.13.0/PowerBI-visuals.d.ts",
     "node_modules/powerbi-visuals-utils-typeutils/lib/index.d.ts",
     "node_modules/powerbi-visuals-utils-svgutils/lib/index.d.ts",
     "node_modules/powerbi-visuals-utils-dataviewutils/lib/index.d.ts",