Color-coded equations, also known as colorized equations, look like this:
I've tried to make a tool (faster than Kalid Azad's) for making these visuals.
I wrote about this recently and finally finished the tool in question! 🎊
This is what the tool used to look like:
This is what the tool looks like now:
My only issue is that the finished tool listens to mouse events, but not pointer events, and hence does not receive input properly on mobile devices. The source code is written in a combination of Rust and JavaScript so I'm not sure how to fix this, but I would love pull requests!
I tend to finish projects in order to cross them off my to-do list, and they tend to stubbornly resist this to-do list crossing. I might finish this note-taking app but the current version seems to be eliciting random bugs.