colour.colorimetry.luminance_CIE1976¶
-
colour.colorimetry.
luminance_CIE1976
(L_star, Y_n=100)[source]¶ Returns the luminance \(Y\) of given Lightness \(L^*\) with given reference white luminance \(Y_n\).
- Parameters
L_star (numeric or array_like) – Lightness \(L^*\)
Y_n (numeric or array_like) – White reference luminance \(Y_n\).
- Returns
luminance \(Y\).
- Return type
numeric or array_like
Notes
Domain
Scale - Reference
Scale - 1
L_star
[0, 100]
[0, 1]
Range
Scale - Reference
Scale - 1
Y
[0, 100]
[0, 1]
References
Examples
>>> luminance_CIE1976(41.527875844653451) 12.1972253... >>> luminance_CIE1976(41.527875844653451, 95) 11.5873640...