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Beside the difference in colour contrast, the two species also differ in hue, i.e. the angle they subtend from the centre (αheldreichii = 100.6 ± 10.9°; αdictynnae = 124.8 ± 22.2°; Mean ± SD; Fig. 3d; Z = −3.54, P < 0.001; where 0° corresponds to the vector between centre and the UV corner of the colour hexagon).
Due to the multi-dimensional nature of a concept such as redness we may be unable to say of two reddish patches which differ in hue or brightness or colour-saturation whether one is redder than the other.
In his study of optics, he noted that the richness of the brain's visual perceptions contrasted with the signals coming from retinal nerves, which he felt could only differ in hue, intensity and retinal position.
Similar(57)
During this encoding phase, the two semicircles always differed in hue by 60° and in angle rotation by 60°.
The 2 sample stimuli differed in hue by 60°, and the hue of the test stimulus in the match condition differed from each sample by 30°.
The two sample stimuli differed in hue by 60°, and the hue of the test stimulus in the "match" condition differed from each sample by 30° (i.e. the test stimulus was the average hue).
Harmony of contrast includes: (1) harmony of contrast of scale for colors that differ significantly in lightness and are the same in hue, (2) harmony of contrast of hues for colors that differ in lightness and are similar in hue, and (3) harmony of contrast of colors for colors that are different in hue and different in lightness (although the lightness difference is claimed to be auxiliary).
The price gap reflects lingering differences in hue and luster.
They also reported no difference in hue discrimination performance between the groups as measured by the Farnsworth Munsell (FM) 100-hue test [ 16].
Here, the shift and stay cues were homogeneous patches differing only in hue and luminance, we thus assume that the time for the subjects to perceive and process each one is the same.
He found that harmony/preference increased as hue distance increased in this task as well, suggesting that his subjects may actually have liked and/or found the combinations more harmonious when they differed greatly in hue.
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CEO of Professional Science Editing for Scientists @ prosciediting.com