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CIELAB color space
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===Perceptual differences=== {{Main|Color difference}} The nonlinear relations for ''L*'', ''a*'' and ''b*'' are intended to mimic the nonlinear response of the visual system. Furthermore, uniform changes of components in the ''L*a*b*'' color space aim to correspond to uniform changes in perceived color, so the relative perceptual differences between any two colors in ''L*a*b*'' can be approximated by treating each color as a point in a three-dimensional space (with three components: ''L*'', ''a*'', ''b*'') and taking the [[Euclidean distance]] between them.<ref name="Jain89">{{cite book|title=Fundamentals of Digital Image Processing|url=https://archive.org/details/fundamentalsofdi0000jain|url-access=registration|first=Anil K.|last=Jain|pages=[https://archive.org/details/fundamentalsofdi0000jain/page/68 68], 71, 73|year=1989|publisher=[[Prentice Hall]]|location=New Jersey, United States of America|isbn=0-13-336165-9}}</ref>
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