libgamma-intl An extension with support for text description of constants and internationalisation. Unsupported display servers: GNU Hurd TTY Does it have gamma ramp support? The BSD TTY:s Do they have gamma ramp support? Haiku Haiku does not have gamma ramp support Wayland I do not think Wayland have gamma ramp support Mir I do not think Mir have gamma ramp support Adjustments in Quartz are reverted when the process exits, this information must be available in the method capabilities.