Too Much Color

color-space — every color space, one tiny API, verified

An open collection of color spaces. Convert any space to any other with conventional ranges and independently anchored formulas.

loukesio/ltc-color-palettes

"ltc_palettes: Tailored for data visualization enthusiasts, ltc_palettes is an R package that offers a curated collection of color palettes. Crafted to enhance clarity and impact, these palettes ensure that your visual representations not only communicate data effectively but also aesthetically

The Color API

The best color conversion, naming and scheming API out there.

How to Choose Colors for Your CLI Applications · Luna’s Blog

Let’s say you’re creating a CLI tool which has to display syntax highlighted source code. You begin by choosing some colors which look nice with your chosen terminal theme:

The Color System I Wish I Understood Sooner

Does your system for naming colors always feel like it falls short? This two-layer approach solves so many problems!

What's My JND?

Find your Just Noticeable Difference in colour perception. How small a colour difference can you actually see?

nutelch — cusp explorer

NUTELCH measures chroma relative to the gamut shell — the cusp — in OKLCH and LCH. You ask for a fraction of the way to the boundary (relC) instead of an absolute chroma, so “saturation” means the same thing at every lightness and hue and never accidentally lands out of gamut, while the result stays a native oklch() / lch() color. It's dependency-free and LUT-backed: the boundaries are precomputed, so lookups are fast. nutelch on GitHub →

schalkneethling/css-benchpress

css-benchpress aims to help developers and tooling authors discover where CSS patterns become performance problems by growing realistic web-platform test cases until measurable regressions appear.

The Best Darn Grid Shader (Yet)

For as long as I’ve been writing shaders, there’s been one specific shader I’ve always tried to write…

18 Best CSS Libraries/Frameworks for UI/UX Designs 2024

Here are the 25 best CSS libraries/frameworks for UI/UX designs which make your frontend development more easier and productive with custom features.

Why So Many Control Rooms Were Seafoam Green

The Color Theory Behind Industrial Seafoam Green

Reasonable Colors

Yes. Reasonable Colors is open-source (the annotated source-code is available on Github) and released under the MIT license. The color specimen document is also available to download as a PDF, JPEG, and WEBP image.

The CSS Selection - 2026 Edition - Project Wallace

The CSS Selection shows real-world CSS usage from over 100,000 websites and looks at the most important metrics.