HACKETTSTOWN, N.J. — Admit it, you have a favorite M&M's color, and you'll defend that "melts in your mouth, not in your hands" color with robust vigor. M&M'S has a rich, "colorful" history dating back more than 70 years. Fans were never given the chance to choose specific color combinations for mass-produced packages — until now. Mars Chocolate North America announced new limited edition 8-oz.