I worked on many apps where each customer needs their own branded theme.

The problem is that you can't just shift hue and call it a day. Yellow at 50% lightness looks completely different from blue at 50%.

That's why I built this library to generate perceptually uniform themes. Zero dependencies, runs at runtime, outputs CSS vars, Tailwind tokens, SCSS, or JSON. Ships with presets for shadcn/ui and MUI.

try it out quickly: npx hextimate "#006677"