This policy setting prevents the user from using Windows colors as a part of the display settings. If you enable this policy ...

This policy setting prevents the user from using Windows colors as a part of the display settings.

If you enable this policy setting, Windows colors are turned off. The user cannot turn them on.

If you disable this policy setting, Windows colors are turned on. The user cannot turn them off.

If you do not configure this policy setting, the user can turn on or turn off Windows colors for display.