colour.temperature.xy_to_CCT_McCamy1992

colour.temperature.xy_to_CCT_McCamy1992(xy: ArrayLike) → NDArrayFloat

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

Parameters:

xy (ArrayLike) – CIE xy chromaticity coordinates.

Returns:

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

Return type:

numpy.ndarray

References

[Wikipedia01a]

Examples

>>> import numpy as np
>>> xy = np.array([0.31270, 0.32900])
>>> xy_to_CCT_McCamy1992(xy)
np.float64(6505.0805913...)