Rotating hues in HSL is a start, but not something that yields consistent or equivalent results for every imaginable combination.

See the HSL .vs OKLCH plots here; https://evilmartians.com/chronicles/oklch-in-css-why-quit-rg...

That's even before going into accessibility considerations with safeguarding the sets for common types of color vision deficiencies.

Also I only clicked, because I thought it was some kind of demo on the https://en.wikipedia.org/wiki/Four_color_theorem