The link provided in duple’s post has
A command line tool to identify a pixel color on an X Window.
KDE Plasma’s ColorPicker widget works in Wayland.
For Sway, see this.
No idea about GNOME.
The link provided in duple’s post has
A command line tool to identify a pixel color on an X Window.
KDE Plasma’s ColorPicker widget works in Wayland.
For Sway, see this.
No idea about GNOME.