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Sudo apt install -y gnome-shell-extensions
Sudo apt install -y chrome-gnome-shell # Works with Firefox*, too.
Install GNOME Tweaks and other tools if you don't have them, then reboot/restart. System tray menu, top-bar calendar, notification popups, and desktop context menu) you need some more steps: There is no possibility to set a time to have an automatic switch based on time, though (without a GNOME extension, see above).įor a Full Dark Mode of the system (incl. Ubuntu 20.04: You can now easily choose a dark mode within the Settings: Appearance > Window colors > Dark. Invert the color of individual windows only (Default shortcut is Super+I): use the Globe Extension Invert Window Color. For pictures and more info including installation, see UbuntuHandbook article.
Ubuntu Appearance (GNOME Shell Extension) integrates Light, Dark, Standard option into system tray menu. Night Theme Switcher (GNOME Shell Extension), it has a lot of settings options incl. For easy and quick toggling from Dark to Light theme and vice versa install this GNOME extension: