@argyleink The mix-solution gets rid of chroma "for free", but you don't control the curve! Relatedly, I wish you could do stuff like `calc(sin(l * pi) * c)` in rcs, but this crashes the browser😅. However it works fine if "l" is replaced with an external var(--l) 🤷
(example: https://codepen.io/Oddbj-rn-vernes/pen/LYwrYgr )