I like HSLuv too as its color picker looks familiar while having a Lightness slider that works the way you'd expect compared to HSL. I see color nerds promoting OKLCH but OKLCH color pickers can look intimidating.
> generate 12 distinct colors for data visualization, so that small points in those colors against a black or dark blue background will be visually distinct to everyone including my red-green colorblind coworker.
Did you get anywhere with this? When there's multiple kinds of color blindness changing the perceived colors in different ways, I'm not sure 12 colors that are distinct to everyone is feasible. You could use different symbols though, or changes in size or pattern.
> generate 12 distinct colors for data visualization, so that small points in those colors against a black or dark blue background will be visually distinct to everyone including my red-green colorblind coworker.
Did you get anywhere with this? When there's multiple kinds of color blindness changing the perceived colors in different ways, I'm not sure 12 colors that are distinct to everyone is feasible. You could use different symbols though, or changes in size or pattern.