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RGB Colour Spaces

They refer to any Colour Space based on the RGB Colour Model.

An RGB colour space is defined by Chromaticity coordinates of red, green and blue additive primaries, the White Point which is usually defined by a Standard Illuminant and the Transfer Function which is also known as the Tone Response Curve or Gamma.

The primary colours are often specified using their xyY chromaticity coordinates, although the u',v' coordinates from the UCS chromaticity diagram may also be used.

Examples

Gamma Corrected

  • sRGB
  • Adobe RGB
  • ProPhoto RGB
  • DCI-P3
  • Rec. 709 aka BT.709 aka ITU 709 (HDTV/SDR)

**Wide Colour Gamuts

  • Adobe Wide Gamut RGB
  • Rec. 2020 aka BT.2020 aka ITU 2020 (UHDTV/SDR)
  • Rec. 2100 aka BT.2100 aka ITU 2100 (HDR)
  • ICtCp

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