This image made from video provided by Japan's NNN-NTV shows Calbee snack packages in color and black and white in Tokyo, Wednesday, May 13, 2026. AP/NNN-NTV hide caption toggle caption AP/NNN-NTV TOKYO — 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. "This measure is intended to help maintain a stable supply of products," it said in a statement this week. The change on 14 products in its lineup will start May 25, limiting ink colors to just two, the company said, noting it was necessary to respond flexibly to changing geopolitical conditions. How long the change might last remains unclear, according to Calbee, founded in 1949. The Calbee group employs more than 5,000 people.…