" McDonald’s has toned down its bright yellow motif and radically expanded its color scheme when it announced in early 2016 that “the new look is simple, fresh, and consistent with the company’s vision to be a modern and progressive burger company.”

Interestingly, it was about that time when the company decided to substitute its signature red and yellow colors that its sales began to substantially decline. "

― Cary G. Weldy , The Power of Tattoos: Twelve Hidden Energy Secrets of Body Art Every Tattoo Enthusiast Should Know