colour.colorimetry.lightness_Fairchild2010¶
- colour.colorimetry.lightness_Fairchild2010(Y: FloatingOrArrayLike, epsilon: FloatingOrArrayLike = 1.836) FloatingOrNDArray[source]¶
Compute Lightness \(L_{hdr}\) of given luminance \(Y\) using Fairchild and Wyble (2010) method according to Michaelis-Menten kinetics.
- Parameters
Y (FloatingOrArrayLike) – Luminance \(Y\).
epsilon (FloatingOrArrayLike) – \(\epsilon\) exponent.
- Returns
Lightness \(L_{hdr}\).
- Return type
Notes
Domain
Scale - Reference
Scale - 1
Y[0, 1]
[0, 1]
Range
Scale - Reference
Scale - 1
L_hdr[0, 100]
[0, 1]
References
[FW10]
Examples
>>> lightness_Fairchild2010(12.19722535 / 100) 31.9963902...