Sometimes, a somewhat obscure Linux distribution might be just what you're looking for. Is either CachyOS or Nobara the one?

Automatically generate light/dark color themes for KDE (and pywal if installed) from your current wallpaper, using @T-Dynamos Python implementation of Google's Material Color Utilities ...

Then there’s Arch Linux, which lies on the other end of the beginner-friendly spectrum. While it does have a learning curve ...