When it comes to fast food restaurant logos, the colors red and yellow show up again and again, but why are those particular ...

There are tons of fast food logos that use the color red. But did you know that there's actually a scientific reason why this color choice is so popular?

In-N-Out and more all use the color red heavily ... 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 ...

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 ...