hsluv/hsluv

Health v2 · maintenance only

Flags: no_releases

Adoption not part of the score

1344 stars · 55 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

HSLuv is a human-friendly alternative to HSL built on the perceptually uniform CIELUV color space, with a reference implementation written in Haxe that compiles to many languages. This repository hosts the project website and reference math for converting colors to HSLuv and HPLuv coordinates.

Use cases

• generate perceptually uniform color palettes
• convert colors between HSLuv and RGB
• pick colors with consistent perceived lightness
• build color pickers with human-friendly saturation values
• ensure accessible color contrast in UI design
• learn how CIELUV polar coordinates work

When to choose

• you need color manipulation with perceptually uniform lightness and saturation
• you want a mathematically defined, MIT-licensed color space with implementations in many languages
• you are designing palettes or themes where HSL's uneven lightness causes problems

When to avoid

• you just need simple RGB/HSL conversion without perceptual uniformity
• you need wide-gamut or HDR color spaces beyond sRGB
• you need a ready-made GUI color picker rather than a color math library

Facets

library · maturity stable

math ui-components graphics web-design cross-platform color-space hsluv hpluv cieluv color-palettes haxe perceptual-uniformity algorithms web

Member repositories

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