colour.colorimetry.luminance_CIE1976¶
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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) # doctest: +ELLIPSIS 12.1972253... >>> luminance_CIE1976(41.527875844653451, 95) # doctest: +ELLIPSIS 11.5873640...