A GNOME Shell extension that toggles your display to monochrome/grayscale mode with a single click.
Useful for reducing eye strain, improving focus, or accessibility.
- One-click toggle for monochrome display
- Multiple color profiles to choose from
- Settings persist between sessions
- Lightweight and simple
| Profile | Description |
|---|---|
| Grayscale | Standard full desaturation |
| Soft | Subtle 70% desaturation |
| High Contrast | Grayscale with enhanced contrast |
| Low Brightness | Darker grayscale for night use |
| Sepia | Warm vintage tone |
- Visit Achroma on extensions.gnome.org
- Click the toggle to install
-
Clone or download this repository:
git clone https://github.com/ktauchathuranga/achroma.git
-
Copy to GNOME extensions directory:
cp -r achroma ~/.local/share/gnome-shell/extensions/[email protected]
-
Compile the schema:
glib-compile-schemas ~/.local/share/gnome-shell/extensions/[email protected]/schemas/
-
Restart GNOME Shell:
- On Wayland: Log out and log back in
- On X11: Press
Alt+F2, typer, press Enter
-
Enable the extension:
gnome-extensions enable [email protected]
| Action | Result |
|---|---|
| Left click on icon | Toggle effect on/off |
| Extension Preferences | Select color profile |
Via command line:
gnome-extensions prefs [email protected]Or via Extension Manager app: Click the gear icon next to Achroma.
- GNOME Shell 50 or later
gnome-extensions disable [email protected] && gnome-extensions enable [email protected]Contributions are welcome! Please feel free to submit a pull request or open an issue.
