Adapta is a very nice material design like GTK theme. It has a light and a dark variant as well. Lots of it’s elements are forked from Flat-Plat GTK theme. Adapta currently supports numerous desktop environments:
- GNOME 3.20 (or 3.18)
- gnome-shell >= 3.19.92 (or 3.18.4)
- mutter >= 3.19.92 (or 3.18.4)
- GNOME-Flashback 3.18.x
- budgie-desktop 10.2.x
- Unity7 7.4.0
- Cinnamon 2.8.x
Unity and Cinnamon are under W.I.P state, but the developer is very active so I believe they will be fully ready soon. At the moment MATE, Xfce and Pantheon are not supported.
If you’re using Ubuntu or any other Ubuntu based distribution with a supported desktop environment you can install Adapta by typing the following lines in Terminal:
sudo apt-add-repository ppa:tista/adapta -y sudo apt-get update sudo apt-get install adapta-gtk-theme
In case you’re using a different distribution please check Adapta’s GitHub page for more information about installing.
Adapta light and dark variants video
Check out the light and dark version of the theme in this video.
Update! Another video from the same author.