Before I had access to a lot of high-quality colour pickers online, I had to create my own for my web development work.
It was fun to create and I developed the slider bar library out of this (see my next post).
Feel free to download and use as you wish. There are three files, they need to be in the same directory. Yes, you can run it from your computer without putting it on a server.
Now go, code, be happy. 🤓