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

  • Input luminance \(Y\) is in domain [0, 100].
  • Output Lightness \(W\) is in range [0, 100].

References

Examples

>>> lightness_Wyszecki1963(10.08)  
37.0041149...