This example renders the CSS named colors as a vertical stacked bar chart, with each color occupying a thin rectangular slice across the width of the viewport. The visualization loads the color data from a CSV file using D3’s `csv` utility, then maps each row to a styled `<div>` element with a background color set to the RGB hex value from the dataset. React manages the asynchronous data loading through the `useEffect` hook and renders the list of colored strips once the data arrives.