# Background Gradient Shader

> A full-bleed animated WebGL gradient background that drifts theme-derived colors through a slow noise-based flow field, used behind hero sections or page content as an ambient moving backdrop.

- Author: [nikolas-sapa](https://21st.dev/@nikolas-sapa)
- Library: @ns-ui
- License: MIT
- Tags: Gradient, Background, Hero, WebGL, Shader
- Live preview: https://21st.dev/@nikolas-sapa/components/background-gradient-shader

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/nikolas-sapa/background-gradient-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/gradient.md