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Chapter 10. Color Manipulation > Hue = Basic Color

Hue = Basic Color

Take another look at Figure 10.1 and you'll notice that only six basic colors are shown: cyan, blue, magenta, red, yellow, and green. That's because every color you could ever imagine is based on one of those colors or what you get in the transition between them. Take red, for example. Darken it and you get maroon, or make it less vivid and you'll have pink. But in the end both are just different versions of red.

The basic color that any color is based on is known as its hue. Photoshop describes these basic colors, or hues, using numbers that it gets by figuring out how many degrees the color is from red going clockwise around a color wheel. If you divide the color wheel into sixths and start with red at 0, then you'll find the other colors as follows: yellow at 60°, green at 120°, cyan at 180°, blue at 240°, and magenta at 300° (Figure 10.2). You don't have to remember any of those numbers, but it will be helpful to know that hue numbers in Photoshop are based on the color wheel. When you adjust the hue (using an adjustment like Hue/Saturation), you're effectively spinning the color wheel by moving each basic color in your image an equal amount (or angle) around the edge of the color wheel.


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