# Theme Toggle

> A controlled light/dark switch with a morphing sun and moon and a smooth organic page reveal.

- Author: [Sanjay Kumar](https://21st.dev/@luv-jeri_c92deb60)
- Library: [000h](https://21st.dev/@luv-jeri_c92deb60/library/000h)
- License: mit
- Tags: Dark, Toggle, Switch, Animation
- npm dependencies: clsx, motion, tailwind-merge, @radix-ui/react-slot, class-variance-authority
- Live preview: https://21st.dev/@luv-jeri_c92deb60/components/theme-toggle

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/luv-jeri_c92deb60/theme-toggle?api_key=$API_KEY_21ST"
```

Requires a 21st API key (generate one at https://21st.dev/mcp) passed as `API_KEY_21ST`. Free accounts get a limited number of installs per day; unlimited on a paid plan — see https://21st.dev/pricing.

Full component directory: https://21st.dev/llms.txt · More like this: https://21st.dev/community/components/s/dark.md