Iris UI foundation
Iris UI's tokens (colour, surface, ink, line, radius, shadow, spacing, type) in light and dark, the Tailwind v4 theme that maps them to utilities, motion variables, keyboard focus rules, keyframes and the Inter, Geist and JetBrains Mono fonts. Requires Tailwind v4: import components/iris/styles/foundation.css after tailwindcss. strict.css (optional, imported before foundation.css) removes Tailwind's default palette, shadows and radii.
Install
npx shadcn@latest add https://irisui.dev/r/foundation.jsonRegistry item
foundationRegistry JSON