It's not the normal display calibrator and it looks like to be used with hardware calibrators. I can adjust gamma and color toning/temperature.

The App is located here (OS X 10.11): /System/Library/PrivateFrameworks/AmbientDisplay.framework/Versions/A/Resources/Calibration Assistant.app

The user interface

1 Answer 1


It's designed for projectors/beamers (depending on the version of English used). It's not as correct as the one for normal displays, and designed for rather rough calibration of large uneven screens.

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