Because of the speedy nature of the fast food industry, you might have totally forgotten about the designs of these ...

This story originally ran in 2019; it has been updated for 2025. This article was originally published on mentalfloss.com as Why the McDonald’s Logo Uses the Colors Yellow and Red.

And fast food juggernaut McDonald's may have chosen red and yellow for its logo because of this. Besides being an attention grabber, the color red triggers some strong emotions.