0 (a degree of lightness, darkness, strength, etc. of) a colour:
2 a color, or the particular degree of light or dark of a color:
Luminance-defined targets had the same hue and saturation as the background, whereas saturation-defined targets were green and equiluminant with the background.
We, by contrast, have perceptual access to these dimensions along which hues are intrinsically related to one another.
But without such an independent measure, it is simply nonsense to speak of the accuracy with which someone estimates hue magnitudes.
Elites, of course, are never ignored; they get to be reinvented by their narrators in various ideological hues.
For hue magnitudes to do the intended work, they must be physical properties of surfaces.
Chromatic and contrast selectivity in color contrast the adapting axis that best fit the hue changes.
Completeness is supported because hue perception is categorical, while saturation and lightness are continuous.
Errors in hue placement are reduced by chance and by careful observation.
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