You want to use a nice colour palette but you’re not sure if it’s colour blind friendly? Here are some quick ways to check this in #rstats. Using prismatic The prismatic package by Emil Hvitfeldt provides some nice approaches to this with the function check_color_blindness(). You provide a vector of colour codes, and it simulates how they appear for people with different types of colourblindness. For example, we can check the “Cold” palette from the qualitative_chl colour palette from colorspace by Achim Zeileis and co, like …