# 1st shader

> Animated WebGL shader background in the Halftone style. Generated by the 21st.dev Shader Builder. 4-color palette (#101010, #F5F5F5, #B0B0B0, #3A3A3A). A drop-in, zero-dependency React component for hero sections and animated gradient/noise backgrounds.

- Author: [Sam Skanse](https://21st.dev/@samskanse09)
- License: mit
- Tags: Animation, WebGL, Shader, Hero Background, Shader Background
- Live preview: https://21st.dev/@samskanse09/components/1st-shader

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/samskanse09/1st-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