This example uses React and D3 to render a pie chart of CSS named colors, with each slice colored by its corresponding hex value. D3’s `csv` loader fetches color data from a GitHub gist, while the `pie` and `arc` generators compute the slice angles and SVG paths. React manages the component state and renders the SVG, updating from a loading message to the visualization once data arrives. The chart displays all named colors as equal-weight slices radiating from the center, creating a full circular burst.