BT.2100

Reference Name: ITU-R BT.2100

Definition: ITU-R BT.2100-0: Image parameter values for high dynamic range television for use in production and international programme exchange

Responsible Organization: International Telecommunication Union

Contact Information: ICC Technical Secretary email: technicalsecretary@color.org

DOCUMENTATION

Documentation source ITU Recommendation BT.2100-0 (07/2016)

ENCODING CHARACTERISTICS

Color space

Type: Colorimetric RGB color space

RGB primaries:

        x       y       z
  R   0.708   0.292   0.0
  G   0.17    0.797   0.033
  B   0.131   0.046   0.823
  --- ------- ------- -------

White point chromaticity: x = 0.3127, y = 0.3290 (D65)

Color component transfer function: See ITU-R BT.2100-0 (07/2016) for PQ and HLG transfer functions

Reference viewing environment

Background and Surround: Neutral grey at D65

Brightness of background: 5 cd/m²

Brightness of surround: ≤ 5 cd/m²

Display peak luminance: ≥ 1000 cd/m² (specular highlights only; diffuse white typically 100-300 cd/m²)

Black point luminance: ≤ 0.005 cd/m²

Encoding

Range: See ITU-R BT.2100-0 (07/2016) for narrow range and full range encodings

Bit depth: 10 or 12 bit integer, 16-bit float

HINTS FOR PROFILE MAKERS

See Transforming via the ICC PCS for details on the derivation and use of D50 adapted data, chromatic adaptation matrix and measurement corrections.