Monochrome Toggle

A GNOME Shell extension that adds a Quick Settings tile for desaturating and tinting the display.

Useful for reducing eye strain or improving focus.

Profiles

Profile	Description
Grayscale	Full desaturation
Desaturated	Subtle 70% desaturation
Sepia	Greyscale with a warm tan tint

Installation

git clone https://github.com/SpiritualRose/monochrome-toggle.git
cp -r monochrome-toggle ~/.local/share/gnome-shell/extensions/monochrome-toggle@rangol.se
glib-compile-schemas ~/.local/share/gnome-shell/extensions/monochrome-toggle@rangol.se/schemas/

Log out and back in (Wayland) or Alt+F2, r, Enter (X11), then enable:

gnome-extensions enable monochrome-toggle@rangol.se

Usage

Open Quick Settings (top-right corner), tap the Tint pill to toggle the effect, or use the arrow to pick a profile.

Requirements

GNOME Shell 49 or 50.

Credit

Forked from achroma by Ashan Chathuranga. This fork moves the indicator to Quick Settings and uses a smaller set of profiles.