The cognitive dissonance between the name and the color of Yellow's logo made us all question ourselves—and remember the brand.

This article was originally published on mentalfloss.com as Why the McDonald’s Logo Uses the Colors Yellow and Red.

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

McDonald's is distinguishable because of its signature colours of red and yellow – and the reason behind it is all to do with our psyche. Here's all you need to know ...

It's one of the most recognisable logos on the planet, and yet many people are only just learning the fascinating reason why the McDonald's logo is red and yellow ...

There are only a few places where the McDonald's logo isn't yellow and red, and you'd have to drive to Arizona to find one of them.