Color-Coding Layers September 4, 2015. Posted in: Tip Of The Day. Right-click (Mac: Control click) on the eye icon next to a layer on the Layers panel, to select a color so you can color code your layers. The Background layer will have to be converted to a layer before color coding it. « Previous Photoshop Tip: | Next Photoshop Tip: » Get The Tip of The Day in Your Inbox! Sign-up for the PTC Newsletter to receive a weekly re-cap of the Tips of The Day. That way you'll never miss a tip. You'll also get instant access to the Subscriber Only Tutorials! Enter your email below to sign up! Your Email Address: You Can Also Get Daily Tips On Your Feed! Every Photoshop Tip of The Day is posted in our Facebook & Google Plus, Twitter, LinkedIn, and Pinterest pages.