colour.colorimetry.lightness_Wyszecki1963

colour.colorimetry.lightness_Wyszecki1963(Y)[source]

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

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

Notes

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

References

[Wyszecki1963b]

Examples

>>> lightness_Wyszecki1963(12.19722535)  # doctest: +ELLIPSIS
40.5475745...