Graphics Programs Reference
In-Depth Information
Figure 7-9. A simple Levels adjustment can make a huge difference in the way your photos look.
Left: The gray-green cast to this photo makes everything rather dull. Right: Levels not only re-
moves the color cast, but it also gives the photo better contrast and sharpness.
Understanding the Histogram
Before you get started adjusting Levels, you need to understand the heart, soul, and brain of
the Levels dialog box: the histogram , visible in Figure 7-10 . (You can call up this dialog box
by pressing Ctrl+L/ -L.)
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