Interesting. I kinda feel that the paint mixing model here is very simplified. Not long ago there was a submission about paint mixing[1] that used a more complex model, where (among other things) you have to consider full spectral properties of the paints getting mixed.
Compressing colors down to a 2D chart that both informs you about color perception and mixing of paints and be 100% accurate is probably impossible, but I guess you can improve on the accuracy of the existing color wheel and be useful as an approximation.
Not sure about how exactly the chart informs about aesthetics and harmonizing colors, that part of dealing with colors just feels overly subjective to me. Apart from this, it's also a third aspect separate from both pure color perception and mixing of paints, so capturing it on the same chart is an additional challenge.
Compressing colors down to a 2D chart that both informs you about color perception and mixing of paints and be 100% accurate is probably impossible, but I guess you can improve on the accuracy of the existing color wheel and be useful as an approximation.
Not sure about how exactly the chart informs about aesthetics and harmonizing colors, that part of dealing with colors just feels overly subjective to me. Apart from this, it's also a third aspect separate from both pure color perception and mixing of paints, so capturing it on the same chart is an additional challenge.
[1] https://news.ycombinator.com/item?id=39515478