While I am not colour blind, I sympathise with those that are.  All programming languages should have a library along the lines of Colors.jl [1] that allows you to simulate and, more importantly, provides functionality to give you a good set of colours and colour scales to use for your graphics.<p>[1]: <a href="https:&#x2F;&#x2F;github.com&#x2F;JuliaGraphics&#x2F;Colors.jl#simulation-of-color-deficiency-color-blindness" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;JuliaGraphics&#x2F;Colors.jl#simulation-of-col...</a>