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Sams Teach Yourself Adobe Photoshop CS4 in 24 Hours by Kate Binder

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Chapter 4. Specifying Color Modes and Color Models

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Color Models

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The Modes and Models of Color

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Color Bit Depth and Why It Matters

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Color is infinitely variable; you only need to look out the window to realize that. Just try to count the different shades of green that you can see in a single tree’s leaves or the myriad colors of the changing sky. Color is also subjective; an object can seem to be one color to one person and a completely different color to another person—and that’s without even getting into all the imprecise ways we use language to describe color. So if you want to describe color objectively and consistently, ...

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