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?

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 ...

"When you combine red and yellow it’s about speed, quickness. In, eat and out again. "Yellow is also the most visible colour ...