colour.temperature.xy_to_CCT_McCamy1992

colour.temperature.xy_to_CCT_McCamy1992(xy)[source]

Returns the correlated colour temperature \(T_{cp}\) from given CIE xy chromaticity coordinates using McCamy (1992) method.

Parameters

xy (array_like) – CIE xy chromaticity coordinates.

Returns

Correlated colour temperature \(T_{cp}\).

Return type

numeric or ndarray

References

[Wikipedia01a]

Examples

>>> import numpy as np
>>> xy = np.array([0.31270, 0.32900])
>>> xy_to_CCT_McCamy1992(xy)  
6505.0805913...