One of the features in earlier versions of OS X was that you could change the display color output (or bit depth) in the Displays system preferences. However, in recent versions of OS X Apple has removed this option. If you go to the Displays system preferences you can set the resolution, the brightness for internal and Apple-supplied displays, and rotation and refresh rate options. The colors are now set to be optimal for the display, which means they will default to the highest setting or go to the setting that a particular application requires.
While the color output feature … Read more