colour.colorimetry.lightness_Glasser1958

colour.colorimetry.lightness_Glasser1958(Y)[source]

Returns the Lightness \(L\) of given luminance \(Y\) using Glasser et al. (1958) method.

Parameters:Y (numeric or array_like) – luminance \(Y\).
Returns:Lightness \(L\).
Return type:numeric or array_like

Notes

Domain Scale - Reference Scale - 1
Y [0, 100] [0, 1]
Range Scale - Reference Scale - 1
L [0, 100] [0, 1]

References

[Glasser1958a]

Examples

>>> lightness_Glasser1958(12.19722535)  # doctest: +ELLIPSIS
39.8351264...