Now with Tailwind 4 & OKLCH color supportNew

Design System Themes
Built for Modern Web

Create stunning themes for shadcn/ui with Tailwind CSS 4. Design, preview, and export production-ready themes in minutes.

Tailwind CSS 4shadcn/ui CompatibleOKLCH Color Space
Interactive Demo

Experience Themes Live

Click a theme below to see instant changes across the entire page. This is what your users will experience.

Toggle theme mode:
Theme Builder

Professional Theme Design
Made Simple

Our advanced theme builder gives you complete control over your design system with real-time previews and intelligent color recommendations.

OKLCH Color Picker
Use perceptually uniform colors that look great across all devices and color spaces.
  • Perceptually uniform color selection
  • Better contrast ratios automatically
  • Wide gamut display support
Real-time Preview
See your changes instantly across all UI components and patterns.
  • Live component previews
  • Light and dark mode switching
  • Responsive design testing
Export Anywhere
Export your themes in multiple formats for seamless integration.
  • CSS variables for easy integration
  • Tailwind config export
  • JSON theme configuration
Pre-built Themes
Start with professionally designed themes and customize from there.
  • Curated theme collection
  • One-click theme switching
  • Customize any preset
Coming Soon

What's Next

We're constantly improving and adding new features to make theme creation even better.

shadcn-extnd Components
Soon
Extended component library with advanced patterns, animations, and interactive elements built on shadcn/ui.
Animation Presets
Soon
Beautiful pre-configured animations and transitions that work seamlessly with your themes.
Component Registry
Soon
Browse and install community-created components and themes directly from the builder.
Get Started

Ready to Build Beautiful Themes?

Join developers and designers creating stunning design systems with Extnd. Start building your perfect theme today.

Built with modern tools

Tailwind CSS 4
shadcn/ui
React 19