Inspired by ffmpeg's allrgb.
It generates a 32768 x 32768 image contains all 10 bit-depth rgb colors stored in rgb48be format.
Yeah, I double-packed it (the "ALLRGB30-result.rar.7z" file), but not because I'm a noob, you'll see if you open it.
Main code structure stolen from https://codegolf.stackexchange.com/questions/35569/tweetable-mathematical-art