A collection of tools that help you deal with color gradients & color palettes, to design better data visualizations.
Data visualisation: colours – Government Analysis Function
The misuse of colour in science communication
Your Friendly Guide to Colors in Data Visualisation
The Color Emotion Guide — Cool Infographics
How to Use Color Blind Friendly Palettes to Make Your Charts
HESS - Rainbow color map distorts and misleads research in
Data Visualization: Best Practices and Foundations
A detailed guide to colors in data vis style guides - Datawrapper Blog
Turning data into beautiful insights: A 10-step data viz guide