Making Other Adjustments
As you've seen, Variations is the quick way to adjust color, but sometimes it doesn't give you enough control. Other times you just want to experiment. Maybe you have a picture that's mediocre, but if you play with the colors in it and beef up the contrast, you can make something out of it. These are the times when you'll want to work with individual adjustment settings.
Consulting the Histogram
Photoshop CS2's Histogram palette was once a dialog box. It doesn't actually do anything by itself, but if you learn how to use it, you can save yourself lots of time. If you ever took a course in statistics, you already know that a histogram is a kind of graph. In Photoshop, it's a graph of the image reduced to grayscale, with ...
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