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

[Wys63]

Examples

>>> lightness_Wyszecki1963(12.19722535)  
40.5475745...