A user added a gruvbox color palette file to the repository, which you can use to make your own :)
Here you go
Update to previous post.
Will be looking into that once I have more time :)
I do plan some kind of packaging. Possibly flakpak
Multichromatic recoloring does work on gifs, but the result is not as good as with jpgs or pngs. I would convert gifs prior to recoloring, then convert back.
It can indeed, as long as the icons are svg’s
Indeed - with a custom shape library and theme