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Image Mode

As we said earlier, pixel depth can tell you that pixel number 45 has a value of 165, but that doesn't mean anything until you know what image mode the bitmapped image is saved in. That 165 could represent a level of gray, or a particular color, or that might be only one value in a set of three or four other 8-bit values. Fortunately, Photoshop makes it easy to see what image mode a bitmapped image is in, as well as to convert it to a different mode, if you want.


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