JSPM

A simple utility package for working with WCAG 2.2/3.0 color contrasts

Axe rules to check against APCA bronze and silver+ conformance levels.

Design linter for AI-generated frontends: deterministic rendered-DOM audits, CI gates, and MCP design-quality signals

Storybook Accessibility addon with APCA (WCAG 3) support

Sass implementation of the [Accessible Perceptual Contrast Algorithm (APCA)](https://git.apcacontrast.com/) for the WCAG 3.0 specification.

UI/UX design audit tool for Claude Code. Scores projects across 12 dimensions: color contrast, typography, accessibility, layout, and more. WCAG 2.2, APCA, and OKLCH color science. Zero dependencies.

RGAA v4.1.2 accessibility compliance analyzer for NextJS projects

Core utilities library for UI Color Palette - a color management plugin for design tools. This library provides the foundational color manipulation, contrast calculation, and palette generation features used in the plugin.

Reactive OKLCH color-system designer — thin composer over the @zakkster color stack. Curve-driven scale generation, APCA contrast, design-token exports, and Canvas slider-track baking.

A modern TypeScript color library for parsing, converting, manipulating, palettes, and accessibility.

Espalier — a themeable, accessible, framework-agnostic, enterprise-grade design system built on web standards and love.

WCAG & APCA contrast ratios for hex and OKLCH colors, plus readableOn, isReadable and score helpers. Part of huekit, the OKLCH toolkit for designers.

Generate accessible color palettes from brand colors. Drop-in compatible with Radix, Tailwind, and Panda CSS.

A production-grade design system with 9 structural palettes, 72 components, and automated WCAG 2.2 AA compliance. Deterministic UI recommendation engine powered by retrieval and rule evaluation.

harmony - accessible color palette - for tailwindcss

Framework-agnostic DesignKit math, proofs, specs, and recipe compilation.

Mathematical design CLI for palettes, scales, contrast, layout, motion, and CSS analysis.

MCP server for color accessibility — contrast checking, color blindness simulation, palette analysis, and WCAG 2.2 compliance

Readable text on any background—WCAG & APCA aware React components and color helpers (TypeScript).

DÜSTUR · T.C. Mevzuat Tasarım Sistemi · Türkiye Cumhuriyeti mevzuat sisteminin kromatik, tipografik, jeton ve UI yüzey doktrini.

Ship EAA-compliant JavaScript apps in any framework. Zero-dependency accessibility toolkit for WCAG 2.2 AA.

Picks a legible text color from a background (WCAG 2.1 + optional APCA). AdaptiveText, context theme, zero native code.

CLI for APCA (Lc) accessibility contrast checking — the algorithm WCAG 3 is built around.

High-performance color manipulation library powered by Rust and OKLCH. Support for APCA, WCAG, Harmony, and Modern Color Spaces.

Linter for Vyre design tokens and skill output. Validates DTCG 2025.10 schema, broken alias refs, WCAG/APCA contrast, and UX rule compliance.

Perceptually uniform neutral scales with WCAG 2.1 and APCA contrast auditing.

Generate a harmonious, contrast-aware design-token system from one or a few seed colors.

Data-viz palette designer. Perceptually linear, CVD-safe, APCA-annotated sequential, diverging and categorical ramps.