Install gnome-shell-extension-redshift by entering the following commands in the terminal:
sudo apt update sudo apt install gnome-shell-extension-redshift
Description:
redshift extension for GNOME Shell
GNOME shell extension to control redshift, which adjusts the color temperature of your screen.
Homepage: https://github.com/tommie-lie/gnome-shell-extension-redshift
Version: 3.20.1-2
Section: universe/gnome