Japanese snack packages turning black-and-white

> The packaging on some snacks in Japan is turning a somber black-and-white, as the war in Iran disrupts the supply of an ingredient used in colored ink. > > Tokyo-based Calbee Inc., which makes potato chips and cereal, said what's inside remains the same. Calbee's popular snacks are available in Japan's ubiquitous convenience stores and shipped to the United States, China and Australia.