Check out this codepen example: https://codepen.io/Siddharth11/pen/LVQmjN
I can see that d3js is being used here.
Upon inspecting the browser, all the classes are visible. Refer to this image showing the classes in the browser window: https://i.sstatic.net/DcU75.png
If I wanted to edit the HTML, how should I go about it? Specifically, how do I modify the text appearing on the right side as color code?
[1]: https://codepen.io/Siddharth11/pen/LVQmjN