Source (link to git-repo or to original if based on someone elses unmodified work): https://github.com/freefreeno/Super-Dark-and-Super-Darker-Color-Scheme-GTK-Theme-and-Plasma-Theme
There is two color schemes.
Super Dark and Super Darker
Icons in the screenshots are the Korla icons found here:
The GTK themes are here and they have been fixed in case you tried them and they were not to your liking.