Ha - I did exactly this a decade ago in my Hypnocube products to avoid the tight bands on HSL color space. When animating colors along a hue cycle, the cyan and

Ha - I did exactly this a decade ago in my Hypnocube products to avoid the tight bands on HSL color space. When animating colors along a hue cycle, the cyan and yellow would go by too fast. So I implemented piece-wise splines through the hue component, and I tune the parameter for each LED type we use to make them perceptually pleasing. Nothing new under the sun and all...