colour.colorimetry.lightness_Glasser1958#

colour.colorimetry.lightness_Glasser1958(Y: FloatingOrArrayLike) FloatingOrNDArray[source]#

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

Parameters

Y (FloatingOrArrayLike) – Luminance \(Y\).

Returns

Lightness \(L\).

Return type

numpy.floating or numpy.ndarray

Notes

Domain

Scale - Reference

Scale - 1

Y

[0, 100]

[0, 1]

Range

Scale - Reference

Scale - 1

L

[0, 100]

[0, 1]

References

[GMRS58]

Examples

>>> lightness_Glasser1958(12.19722535)  
39.8351264...