One architecture. Infinite design systems.

Patterns compose atoms, atoms reference tokens, themes override tokens. Swap a single JSON file and every component re-skins itself.

Install
npm install @toucan-ui/core
Get Started

Tokens — Three-tier cascade: raw values, semantic aliases, system bindings.

Components — Accessible React primitives. Structure and ARIA, no visual opinions.

Patterns — Composed layouts that re-skin automatically under any theme.