Home » Tip of The Day » Default Foreground and Background ColorsDefault Foreground and Background Colors May 27, 2016. Posted in: Tip Of The Day. Pressing the D key resets the foreground color to black and the background color to white. Pressing X on the keyboard swaps the foreground and background colors. « Previous Photoshop Tip: | Next Photoshop Tip: » Sign-up for the PTC Newsletter so that you'll never miss a tutorial!. Your Email Address: