Green

I agree

Humans are pretty good at distinguishing different greens, I certainly think we should have more to choose from in PA.

I'm pretty sure this mod still works, can someone confirm (file location might be slightly different now?)
https://forums.uberent.com/threads/i-like-to-draw-here-are-some-colours.63353/page-4#post-1029442

To anyone here who hasn't seen it already, I'd have to recommend looking through that thread. Lots of nice pictures.