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xyz_from_rgb not works #3
Description
from colorpy import colormodels as cm
class ColorPy(object):
@staticmethod
def irgb2lab(r, g, b):
irgb = cm.irgb_color(r, g, b)
rgb = cm.rgb_from_irgb(irgb)
xyz = cm.xyz_from_rgb(rgb)
lab = cm.lab_from_xyz(xyz)
return lab
@staticmethod
def rgb2lab(r, g, b):
rgb = cm.rgb_color(r, g, b)
xyz = cm.xyz_from_rgb(rgb)
lab = cm.lab_from_xyz(xyz)
return lab
@staticmethod
def rgb2xyz(r, g, b):
rgb = cm.rgb_color(r, g, b)
xyz = cm.xyz_from_rgb(rgb)
return xyzTry to convert gray rgb_color(.5, .5, .5) should be near ('xyzColorMath', '0.203 0.214 0.233') but is ('xyzColorPy', '0.475 0.500 0.545').
http://www.easyrgb.com/index.php?X=CALC#Result
http://www.workwithcolor.com/
(('rgb', (0.5, 0.5, 0.5), [128.0, 128.0, 128.0]),
('xyzColorPy', '0.475 0.500 0.545'),
('xyzColorMath', '0.203 0.214 0.233'),
('labColorPy', '76.069 0.000 0.000'),
('labColorMath', '53.389 -0.000 -0.005'))
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