A CSS UI library exploring how next-gen HTML & CSS features can change the way we create components. Designed to be used by professional teams as well as tinkering hobbyists.
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Updated
Sep 18, 2026 - Astro
A CSS UI library exploring how next-gen HTML & CSS features can change the way we create components. Designed to be used by professional teams as well as tinkering hobbyists.
A free PWA for painters and drawers: mix any color from a reference photo with the paints you own, build palettes and mixing charts, study tonal values, simplify a photo into a reference, make outlines to trace by print, light box, or AR, draw with grids, work in limited palettes, and crop, straighten, expand, upscale, or colorize your photos.
A business class CSS style library for the modern web
PHP Color Manipulation Library. Parses every CSS color: oklch(), color-mix(), relative syntax. Perceptual palettes and gradients, dark-mode transforms, WCAG contrast solving.
@nmsn/color-utils display site to opera color.
A Tailwind CSS plugin that replaces stair-step breakpoints with smooth, mathematically perfect fluid scaling using CSS clamp()
[WIP] PostCSS plugin to add support for CSS Color Module Level 5 (color-mix, color-contrast, color-adjust).
A zero-dependency CSS framework that starts with your design system — one stylesheet, no build step, no JavaScript.
A Chrome extension that highlights color strings (e.g., hex, RGB, HSL) on webpages, with each color highlighted in its own color.
The most complete CSS Color Level 5 engine ever built.
Mix Colors! lets you mix colors in various color spaces and see how the generated color palettes differ. It uses the new CSS color-mix() function.
An interactive playground for exploring modern CSS color functions, perceptual color spaces (OKLCH/OKLAB), relative colors, and color-mix() in real time.
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