turbowarp https://turbowarp.org/1202549728?turbo&hqpen go to the see inside to change things like colors (there is a custom block called "colors" you can change)
https://en.wikipedia.org/wiki/Langton%27s_ant the first time i heard of it was from this video https://www.youtube.com/watch?v=1X-gtr4pEBU updates↓ you can add a rgb gradient of colors now