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Dev tools · March 8, 2026

Kasuality

Perceptual Color Palette Generator (OKLCH & APCA)

Visit site ↗Alternativestop 22% of March 2026

What it does

I was tired of standard color generators that ignore human perception. Kasuality uses the OKLCH color space to ensure visual weight is perfectly balanced across harmonies. Export W3C Design Tokens, check WCAG/APCA contrast, and auto-generate fallback HEX/RGB codes.

Does the same job

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  • OI
  • AO
    An OKLCH-based perceptually uniform color system/theme builderNov 2025 · colorphreak.com · ▲5

    I've been using a version of this internally for a few months but decided to polish it a little to finally deploy it. It's a color system generator that creates accessible, perceptually uniform color palettes using the OKLCH space. It takes one seed (primary) color, generates relative key colors from multiple color harmony schemes (analogous, complementary, etc) that are then used to create 26-step color ramps each. Shades from the ramps are then used to generate semantic color roles, or can be used for creating custom palettes. All colors are gamut-mapped to the sRGB gamut with chroma…

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