colour.colorimetry.whiteness_Stensby1968¶
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colour.colorimetry.
whiteness_Stensby1968
(Lab)[source]¶ Returns the whiteness index \(WI\) of given sample CIE L*a*b* colourspace array using Stensby (1968) method.
Parameters: Lab (array_like) – CIE L*a*b* colourspace array of sample. Returns: Whiteness \(WI\). Return type: numeric or ndarray Notes
- Input CIE L*a*b* colourspace array is in domain [0, 100].
- Whiteness \(WI\) values larger than 100 indicate a bluish white and values smaller than 100 indicate a yellowish white.
References
Examples
>>> Lab = np.array([100.00000000, -2.46875131, -16.72486654]) >>> whiteness_Stensby1968(Lab) 142.7683456...