Themix

Themix GUI generates color variations for themes including GTK, Cinnamon, GNOME, Openbox, and Xfwm.

github.com/themix-project/themix-gui
Themix homepage screenshot

About Themix

Themix GUI is an open-source graphical desktop customization tool. It generates color variations for GTK2, GTK3, Cinnamon, GNOME, Openbox, and Xfwm themes, as well as Archdroid, Gnome-Color, Numix, Papirus, and Suru++ icon themes. It includes a Base16 plugin for creating themes for applications including Alacritty, Emacs, GTK4, KDE, Qt5ct, Qt6ct, and VIM, plus a GTK2 HiDPI hack. Import plugins allow users to generate color palettes from images, import from Xresources, or use existing Base16 theme collections.

Key features

  • Generates color variations for GTK2/3, Cinnamon, GNOME, Openbox, Xfwm themes
  • Creates color variants for Archdroid, Gnome-Color, Numix, Papirus, Suru++ icon themes
  • Base16 plugin supports Alacritty, Emacs, GTK4, KDE, VIM app themes
  • Imports color palettes from images, Xresources, and Base16 theme collections
  • Includes GTK2 HiDPI display hack
Best for: Linux desktop users seeking to create custom color variations for GTK, icon, and supported application themes.
Good for
  • Open source under GPL-3.0 license
  • Supports customization for multiple desktop environments and popular icon themes
  • Includes import and export plugins for flexible theme creation
Watch out for
  • Deb-based distributions (Debian, Ubuntu, Linux Mint) only support older versions of the tool
  • AUR helpers are not officially supported for Arch Linux installation

Themix at a glance

Type
Open-source project
Pricing
Not confirmed. Check the site
Open source
Yes · Source code
Language
English
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

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Themix FAQ

What desktop environments and icon themes does Themix GUI support?
It supports GTK2, GTK3, Cinnamon, GNOME, Openbox, Xfwm themes, plus Archdroid, Gnome-Color, Numix, Papirus, and Suru++ icon themes.
What application themes are supported via the Base16 plugin?
The Base16 plugin supports Alacritty, Emacs, GTK4, KDE, Qt5ct, Qt6ct, VIM, and many more application themes.
What options are available for importing color palettes?
Users can import palettes from images, Xresources, or a large collection of Base16 themes.
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