colour.colorimetry.luminance_Fairchild2011¶
- colour.colorimetry.luminance_Fairchild2011(L_hdr: FloatingOrArrayLike, epsilon: FloatingOrArrayLike = 0.474, method: Union[Literal['hdr-CIELAB', 'hdr-IPT'], str] = 'hdr-CIELAB') FloatingOrNDArray [source]¶
Compute luminance \(Y\) of given Lightness \(L_{hdr}\) using Fairchild and Chen (2011) method according to Michaelis-Menten kinetics.
- Parameters
- Returns
Luminance \(Y\).
- Return type
Notes
Domain
Scale - Reference
Scale - 1
L_hdr
[0, 100]
[0, 1]
Range
Scale - Reference
Scale - 1
Y
[0, 1]
[0, 1]
References
[FC11]
Examples
>>> luminance_Fairchild2011(51.852958445912506) 0.1219722... >>> luminance_Fairchild2011(51.643108411718522, method='hdr-IPT') ... 0.1219722...