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For the "accessibility" prompt on day 7 of the #30DayMapChallenge, I decided to investigate how accessible the default #ggplot2 colours are to people with different types of colour vision deficiency (and for different numbers of colours used). 🎨
TLDR: please choose a different, accessible palette
Interesting. I want to mention a paper by @zeileis here:
Zeileis, A., Murrell, P., 2023. Coloring in R’s Blind Spot. The R Journal 15, 240–256. https://doi.org/10.32614/RJ-2023-071
@devSJR @zeileis and the great articles on the {colorspace} website, for example: https://colorspace.r-forge.r-project.org/articles/endrainbow.html
Do you recommend any specific palettes?
I used to use blue/white/red, because a few colleagues had trouble with red/green.
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