colour.colorimetry.lightness_Wyszecki1963#

colour.colorimetry.lightness_Wyszecki1963(Y: FloatingOrArrayLike) FloatingOrNDArray[source]#

Return the Lightness \(W\) of given luminance \(Y\) using Wyszecki (1963) method.

Parameters

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

Returns

Lightness \(W\).

Return type

numpy.floating or numpy.ndarray

Notes

Domain

Scale - Reference

Scale - 1

Y

[0, 100]

[0, 1]

Range

Scale - Reference

Scale - 1

W

[0, 100]

[0, 1]

References

[Wys63]

Examples

>>> lightness_Wyszecki1963(12.19722535)  
40.5475745...