colour.XYZ_to_UCS#

colour.XYZ_to_UCS(XYZ: ArrayLike) → NDArrayFloat[source]#

Convert from CIE XYZ tristimulus values to CIE 1960 UCS \(UVW\) colourspace.

Parameters:: XYZ (ArrayLike) – CIE XYZ tristimulus values.
Returns:: CIE 1960 UCS \(UVW\) colourspace array.
Return type:: numpy.ndarray

Notes

Domain	Scale - Reference	Scale - 1
`XYZ`	[0, 1]	[0, 1]

Range	Scale - Reference	Scale - 1
`UVW`	[0, 1]	[0, 1]

References

[Wikipedia08b], [Wikipedia08c]

Examples

>>> import numpy as np
>>> XYZ = np.array([0.20654008, 0.12197225, 0.05136952])
>>> XYZ_to_UCS(XYZ)  
array([ 0.1376933...,  0.1219722...,  0.1053731...])