Numix is a modern flat theme with a combination of light and dark elements. It supports Gnome, Unity, XFCE and Openbox.

Manual installation

Extract the zip file to the themes directory i.e. /usr/share/themes/

To set the theme in Gnome, run the following commands in Terminal,

gsettings set org.gnome.desktop.interface gtk-theme "Numix"
gsettings set org.gnome.desktop.wm.preferences theme "Numix"

To set the theme in Xfce, run the following commands in Terminal,

xfconf-query -c xsettings -p /Net/ThemeName -s "Numix"
xfconf-query -c xfwm4 -p /general/theme -s "Numix"

Requirements

GTK+ 3.6 or above

Murrine theme engine

Code and license

Report bugs or contribute at GitHub

License: GPL-3.0+