# Rainbow Comet Cursor

> A canvas-based custom cursor that trails a glowing, hue-cycling rainbow comet tail behind the mouse, with a glow boost on hoverable elements and a radial rainbow spark burst on click.

- Author: [felix-au](https://21st.dev/@felix-au)
- Library: @delego
- License: MIT
- Tags: Cursor, Custom Cursor, Canvas, Mouse Trail, Rainbow
- Live preview: https://21st.dev/@felix-au/components/rainbow-comet-cursor

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/felix-au/rainbow-comet-cursor?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/cursor.md