colour.ProLab_to_XYZ

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

Convert from ProLab colourspace to CIE XYZ tristimulus values.

Parameters

• ProLab (ArrayLike) – ProLab 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
Lab	L : [0, 1] a : [-1, 1] b : [-1, 1]	L : [0, 1] a : [-1, 1] b : [-1, 1]

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

References

[]

Examples

>>> ProLab = np.array([59.8466286, 115.0396354, 20.12510352])
>>> ProLab_to_XYZ(ProLab) 
array([ 0.5163401...,  0.154695 ...,  0.0628957...])

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