colour.colorimetry.lightness_Fairchild2010¶
-
colour.colorimetry.
lightness_Fairchild2010
(Y, epsilon=1.836)[source]¶ Computes Lightness \(L_{hdr}\) of given luminance \(Y\) using Fairchild and Wyble (2010) method according to Michealis-Menten kinetics.
- Parameters
Y (array_like) – luminance \(Y\).
epsilon (numeric or array_like, optional) – \(\epsilon\) exponent.
- Returns
Lightness \(L_{hdr}\).
- Return type
array_like
Warning
The input domain of that definition is non standard!
Notes
Domain
Scale - Reference
Scale - 1
Y
[0, 1]
[0, 1]
Range
Scale - Reference
Scale - 1
L_hdr
[0, 100]
[0, 1]
References
Examples
>>> lightness_Fairchild2010(12.19722535 / 100) 31.9963902...