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 ...

The stunt was timed to coincide with National Fast-Food ... restaurants to swipe customers' drinks and replace them with Pepsi cunningly disguised in cups bearing redesigns of famous fastfood logos.