[sbtrct]

The same author has written three other articles specifically on colorblindness and data visualization:

https://blog.datawrapper.de/colorblindness-part1/ https://blog.datawrapper.de/colorblindness-part2/ https://blog.datawrapper.de/colorblindness-part3/

[AlecSchueler]

They miss out on the face that accessibility should be a default consideration as a designer. It's not a specific realm that needs designed separately. Assume that someone will always be colourblind.