But there’s one trick that’s especially subtle: companies will work with a dedicated color palette that’s designed to boost your appetite. Many fast food chains feature red, orange, and yellow in ...

And if swearing off fast food wasn’t hard enough, those colorful red logos might make it even harder to ignore. The average human can see ten million colors, but red is special. Turns out ...

McDonald's. Arby's. Wendy's. Burger King. Jack in the Box. In-N-Out and more all use the color red heavily in their logos, why? The answer goes back thousands of years. Following is a transcript ...