“Many popular fast-food brands use appetite-stimulating colors ... And from menu design to logo colors to lab-tested recipe development, it all comes down to science.

The campaign from ad agency Leo Burnett is the new instalment of the fast food brand’s ‘Breakfast, done properly’ campaign.

And if swearing off fast food wasn’t hard enough, those colorful red logos might make it even harder ... Another 80% said that colors are what give brands that memorable stamp of recognition.

Red is another color that is frequently paired with yellow in fast food company logos to instill desire. Red illustrates desire, power, and love. It's why whenever Valentine's Day rolls around ...

In-N-Out and more all use the color red heavily in their logos, why? The answer goes back ... Another 80% said that colors are what give brands that memorable stamp of recognition.