colour.XYZ_to_sRGB

colour.XYZ_to_sRGB(XYZ, illuminant=array([ 0.3127, 0.329 ]), chromatic_adaptation_transform=u'CAT02', apply_encoding_cctf=True)[source]

Converts from CIE XYZ tristimulus values to sRGB colourspace.

Parameters:
  • XYZ (array_like) – CIE XYZ tristimulus values.
  • illuminant (array_like, optional) – Source illuminant chromaticity coordinates.
  • chromatic_adaptation_transform (unicode, optional) – {‘CAT02’, ‘XYZ Scaling’, ‘Von Kries’, ‘Bradford’, ‘Sharp’, ‘Fairchild’, ‘CMCCAT97’, ‘CMCCAT2000’, ‘CAT02_BRILL_CAT’, ‘Bianco’, ‘Bianco PC’}, Chromatic adaptation transform.
  • apply_encoding_cctf (bool, optional) – Apply sRGB encoding colour component transfer function / opto-electronic transfer function.
Returns:

sRGB colour array.

Return type:

ndarray

Notes

  • Input CIE XYZ tristimulus values are in domain [0, 1].

Examples

>>> import numpy as np
>>> XYZ = np.array([0.07049534, 0.10080000, 0.09558313])
>>> XYZ_to_sRGB(XYZ)  
array([ 0.1749881...,  0.3881947...,  0.3216031...])