# a Shader

> Animated WebGL shader background in the Aurora style. Generated by the 21st.dev Shader Builder. 4-color palette (#0A0A12, #5B2A86, #D64FA8, #FFC2E2). Features: cursor-reactive (ripple). A drop-in, zero-dependency React component for hero sections and animated gradient/noise backgrounds.

- Author: [Johan Sebastián Hernández Gallego](https://21st.dev/@jhoan.rhz)
- License: mit
- Tags: Animation, WebGL, Shader, Hero Background, Shader Background
- Live preview: https://21st.dev/@jhoan.rhz/components/a-shader

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/jhoan.rhz/a-shader?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/animation.md