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Chapter 14. Advanced Masking > Protect Foreground Color

Protect Foreground Color

On occasion, you'll find that the Tolerance setting alone isn't enough to isolate the subject from the background (Figure 14.7). That's when you'll want to start using the Protect Foreground Color check box. With that check box turned on, Photoshop will start thinking about two colors: the one under the crosshair, which will tell it what to delete, and the foreground color, which will tell it what to save (Figure 14.8). While the Background Eraser tool is active, you can hold Option (Mac) or Alt (Windows) and click on the part of your image you want to save—that will change your foreground color and therefore prevent the color you click on from being deleted. The only problem is that you might forget that you're protecting your foreground color, which can mess you up once you start working on a different part of the image where the color you are protecting is similar to the background you are attempting to delete. So make sure to keep one eye on this check box, and turn it off and on as you think necessary.

Figure 14.7. The green area was too similar to the background for the Background Eraser to successfully isolate it.



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