July 2010
Intermediate to advanced
256 pages
6h 18m
English
Content preview from Visual Thinking for DesignBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 4 Color
Most large animals have worse color vision than humans. Color vision is of little benefit to grass eaters like zebras and cows — these animals have only two dimensions of color vision. The motion of a tiger ’ s prey is more critical than its color, and although cats, like grazing animals, have the physiological basis for two dimensions of color, it is extremely difficult to train them to respond to color. For the most part, they behave as if they live in a grey-scale world. On the other hand, color is invaluable to fruit eaters; color lets them see the oranges in the tree or the red berries in the bush. Birds have even better color vision than humans, being able to distinguish four or more dimensions. Humans and the other great ...
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