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- In this chapter, I
address one of the most

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fundamental concepts in the business

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of computer graphics and design.

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And that's color.

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The entire rainbow in fact.

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Red, orange, yellow, green,
blue, indigo, violet.

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Good old Roy G. Biv.

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Only in the world of computer design,

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that's not really the way it works.

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Colors aren't silly mnemonics,

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they're wave lengths of light

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to which our eyes and our
minds assign subjective values.

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In a digital realm,
color is a finite arena

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with some fixed rules.

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Just as in kindergarten, you blend a color

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using a handful of primaries.

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But instead of mixing
red, blue, and yellow,

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which in case you forget never really work

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the way you were promised,

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you mix real professional adult primaries.

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On screen, it's red, green and blue.

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In print, it's cyan,
magenta, yellow and black.

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And in the theoretical realm, it's hue,

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saturation and brightness.

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In day to day life, most of
us take color for granted.

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But inventing color, that's
another matter entirely.

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So stretch your skull.

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Get it nice and flexible.

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Because your mind is about to expand.