On a GNOME or Unity desktop this is done by GNOME Settings Daemon during login.
The “vcgt” is loaded into X11 and applied to your whole screen, so all applications automatically benefit. First the so-called “vcgt”, which corrects for whitepoint (this is most noticeable on laptops which shift from being very blueish to a bit more yellowish) and gamma. If you have set a display profile via your system configuration tool (The Color applet in System Settings for GNOME or Unity), there are a few things to keep in mind.Īn ICC display profile consists of two main parts. Modern Linux distros featuring either GNOME, Unity or KDE offer fairly easy configuration of color management, this system level configuration mostly pertains to the handling of an ICC display profile. The general picture on the modern Linux desktop