colour.xy_to_CCT

colour.xy_to_CCT(xy, method='McCamy 1992')[source]

Returns the correlated colour temperature \(T_{cp}\) from given CIE XYZ tristimulus values xy chromaticity coordinates using given method.

Parameters:
  • xy (array_like) – xy chromaticity coordinates.
  • method (unicode, optional) – {‘McCamy 1992’, ‘Hernandez 1999’}, Computation method.
Returns:

Correlated colour temperature \(T_{cp}\).
Return type:

numeric or ndarray

References

[HernandezAndresLR99], [Wik01a], [Wik01b]