In-N-Out and more all use the color red heavily in their logos, why? The answer goes back thousands of years. Following is ... Well, besides all being fast food chains… They’re all red.

Fast food companies ... for years, including using the color red. One commonality that seems to have been overlooked until recently, though, is that almost all of their logos use the color yellow.

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 of the video.