... ptg2 16 Chapter 9The Foreground and Background colors, located near the bottom of the toolbox, are Photoshop& apos;s way of identifying your primary painting color, as well as the color Photoshop ... func-tions—its primary purpose is to instruct Photoshop how to handle eras-ing on the Background layer. When you use an eraser tool on a Photoshop layer, by default, the pixels are converted to transparency. ... any of Photoshop& apos;s painting or drawing tools, the color applied to the document will be the foreground color—that's its purpose. Hence, it's sometimes referred to as Photoshop& apos;s...