This example renders a vertical stack of colored stripes representing CSS named colors. It loads the data from a CSV file using the `csv` function from d3-fetch, then uses React’s `useState` and `useEffect` hooks to fetch and store the data asynchronously. Once loaded, each row is mapped to a `<div>` whose background color is set from the `RGB hex value` column. The visualization demonstrates a simple data-loading pattern combining React state management with D3’s data utilities.