11 December 2019 Generate colors based on a desired contrast ratio Authoring adaptive color palettes for generating color based on a desired contrast ratio.
28 December 2018 Multiple Fill and Color Scales in ggplot2 ggnewscale tries to make it painless to use multiple color and fill scales in ggplot2. It’s very experimental, so use at your own risk!
25 November 2018 Flask app : extracts palette of dominating colors from image Extracts 10 dominating colors from the image and add the palette to the bottom of the image (inspired by colorpalette.cinema).