colour.temperature.CCT_to_xy_CIE_D

colour.temperature.CCT_to_xy_CIE_D(CCT)[source]

Returns the CIE xy chromaticity coordinates of a CIE Illuminant D Series from its correlated colour temperature \(T_{cp}\).

Parameters:CCT (numeric or array_like) – Correlated colour temperature \(T_{cp}\).
Returns:CIE xy chromaticity coordinates.
Return type:ndarray
Raises:ValueError – If the correlated colour temperature is not in appropriate domain.

References

[Wyszecki2000z]

Examples

>>> CCT_to_xy_CIE_D(6504.38938305)  # doctest: +ELLIPSIS
array([ 0.3127077...,  0.3291128...])