Red: Connected to your root chakra, Boettcher says red generally represents strength and passion. It’s a grounding color that ...

Have you noticed how the golden arches of McDonald’s make you instantly hungry? Or how the rich brown packaging of chocolate ...

Popular Mechanics reports that purple is a “pigment of your imagination”: The human eye doesn’t actually see purple.

Let’s face it: lately, we’ve all been freaking out a little about artificial food dye. Whether we’re pouring over lists of foods containing now-banned Red Dye No. 3 (maraschino cherries? Swedish fish?