A beautiful theme that comes with many variations of accent colors and light/dark modes.
Kanagawa Theme
GTK theme cum Kanagawa color palette.
Gruvbox Theme
Materia thematis Gruvbox GTK, Gnome, Cinnamon, XFCE, Unitas et Plank.
Everforest Theme
The idea was born from the need for GTK themes that match the most prominent colour palettes of Neovim code editor and Tiling Window Manager, such as Xmonad, Awesome, DWM, etc, which use these colour schemes to give a uniform and unique look to working environments.
Iuno Theme
Tenax lemma pro TROMjaro.