Whether you relate more to the allure of the green M&M or the charisma of the red one, you can rest easy in the fact that both of those colors are here to stay—which sadly can’t be said for all of the M&M’s colors you’ve come to know and love. That’s right, the popular chocolate candy brand is doing away with two of its iconic colors, but not without good reason. Mars, the maker of M&M’s, is phasing out synthetic food dyes, and M&M’s is slated to go au naturel come August. Currently, the small candy-coated chocolates come in seven...