G

• gamma correction
  The native physical tone characteristics of a device are often different on different types of devices. The gamma correction factor compensates for these differences.
• gamma curve
  A collection of gamma corrections over the entire range of colors. When plotted on a graph, they form a curve.
• gamma ramp
  See gamma curve
• gamut
  The set of colors from a color space that a device can produce.
• GMMP
  The Color Gamut Map Model Profile Format is an XML-based file format that controls the mapping of colors between source and destination device gamuts.