(glib:define-gboxed-opaque color-state "GdkColorState"
  :export t
  :type-initializer "gdk_color_state_get_type"
  :alloc (error "GdkColorState cannot be created from the Lisp side"))  

The gdk:color-state instance provides the information to interpret colors and pixels in a variety of ways. They are also known as color spaces.

Crucially, GTK knows how to convert colors from one color state to another. The gdk:color-state instances are immutable and therefore threadsafe.

Since 4.16