LAB colour
A device independent colour space used to create consistent colour whatever the device used to create or output an image, such as a monitor, printer, computer, or scanner.
Lab Colour
LAB is a colour model developed by the Centre Internationale D'Éclairage (CIE). These standards are internationally accepted standards for all colormetric measurements.
LAB
LAB colours consist of a luminance or brightness component and two chromatic components.
6 Under the Image menu, select Mode>Lab colour.
7 Click (highlight) the lightness channel.
8 Under the Image menu, select Mode>Greyscale (discard colour information).
9 Command click on the grey channel (to load the selection).
 See also: Image, Photograph, Camera, Light, Subject
  
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