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Inside Photoshop® CS by Christian Verhoeven, Dave Huss, Gary Kubicek, Mara Zebest, Gary David Bouton

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Understanding How to Choose Transparency & Gamut Settings

It's funny, but the correct choice on the Transparency & Gamut page of the Preferences dialog box depends entirely on the color content of the image at hand. Figure 3.8 shows the Transparency & Gamut Preferences page. Transparency settings determine what the pattern is for areas that are transparent. In other words, a large pink and black checkerboard could be used to denote transparent regions in an image; so could small gray-on-white checkerboard patterns. The option is yours to make. Gamut (actually, “out of gamut”) tells you where in an image the color threshold has been exceeded. In PlainSpeak, if an area is out of gamut, it contains color or a percentage of color that cannot be reproduced ...

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