Install gir1.2-colordgtk-1.0 by entering the following commands in the terminal:
sudo apt update sudo apt install gir1.2-colordgtk-1.0
Description:
GObject introspection data for the colord-gtk library
This package contains introspection data for libcolord-gtk, a gobject-based convenience library for programs to interact with the colord system daemon. . It can be used by packages using the GIRepository format to generate dynamic bindings.
Homepage: https://www.freedesktop.org/software/colord/
Version: 0.1.26-2
Section: introspection