If you like math you may be interested in my companion piece
Optimizing Differentiability in Weighted-Frequency Color Coding at <a href="https://modalduality.org/posts/optimizing-color-coding/" rel="nofollow">https://modalduality.org/posts/optimizing-color-coding/</a> where I try to choose the most distinct colors, weighted by the number of speakers of the language.<p>I'll try to answer any questions too.