colour.Luv_to_XYZ

colour.Luv_to_XYZ(Luv: ArrayLike, illuminant: ArrayLike = CCS_ILLUMINANTS['CIE 1931 2 Degree Standard Observer']['D65']) → numpy.ndarray

Convert from CIE L*u*v* colourspace to CIE XYZ tristimulus values.

Parameters

• Luv (ArrayLike) – CIE L*u*v* colourspace array.

• illuminant (ArrayLike) – Reference illuminant CIE xy chromaticity coordinates or CIE xyY colourspace array.

Returns

CIE XYZ tristimulus values.

Return type

numpy.ndarray

Notes

Domain	Scale - Reference	Scale - 1
Luv	L : [0, 100] u : [-100, 100] v : [-100, 100]	L : [0, 1] u : [-1, 1] v : [-1, 1]
illuminant	[0, 1]	[0, 1]

Range	Scale - Reference	Scale - 1
XYZ	[0, 1]	[0, 1]

References

[CIET14804f], [Wikipedia07c]

Examples

>>> import numpy as np
>>> Luv = np.array([41.52787529, 96.83626054, 17.75210149])
>>> Luv_to_XYZ(Luv)  
array([ 0.2065400...,  0.1219722...,  0.0513695...])

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colour.XYZ_to_Luv

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colour.Luv_to_LCHuv