[rmckayfleming]

My understanding is that that's a non-trivial problem. You'd likely need some sort of AI system to do it, since the perception of colour isn't something that can be simply modelled.

[kuon]

Yes, it is not trivial, but some color space can help, see my article about it. https://www.kuon.ch/post/2020-03-08-hsluv/