# Column Chart

> A grouped vertical bar chart that plots up to three numeric series using fill patterns (solid, striped, outline) instead of color, with an optional baseline axis, category labels, legend and median/average reference line, designed for low-contrast e-ink style displays.

- Author: [alexisroe](https://21st.dev/@alexisroe)
- Library: AlexisRoe
- License: MIT
- Tags: Chart, Bar Chart, Data Visualization, SVG
- Live preview: https://21st.dev/@alexisroe/components/column-chart

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/alexisroe/column-chart?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/chart.md