The colors red and yellow were chosen for a specific reasonand no, it wasnt because they looked nice with Ronald McDonalds ...

McDonald's Shamrock Shake Syrup is made of high fructose ... With Olayinka's recipe, you get to choose how you add color to your shake and exactly how much you want to add. Perhaps food-grade ...

McDonald's. Arby's. 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 ...