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Hour 21. Going Wild with Your Images > Replacing Colors with Gradient Map and I...

Replacing Colors with Gradient Map and Invert

We looked at a couple of ways of replacing color back in Hour 12, “Too Light/Too Dark: Adjusting Brightness, Contrast, and Color.” You learned then about the Replace Color dialog box, and how to shift one color to another. There are some other ways to do it, which you’ll find if you go poking around the Image, Adjustments menu.

Using Gradient Map

One of the commands you can use to replace colors in an image is Gradient Map. A gradient, you may recall, is a gradual transition from one color to another—for example, from red to yellow—and all the gradations in between. Some of the preset gradients that come with Elements involve a gradual blending between more than two colors. The Gradient Map command temporarily converts the image to grayscale and maps the grayscale steps in the image to the steps in a gradient you have selected. If you select a red-yellow gradient, shadows will be mapped to the starting color (red), and the highlights will be mapped to the ending color (yellow). Midtones in the image will be mapped to the gradient colors in between.


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