"Colors" is Hikaru Utada's 12th Japanese-language single, and is the only single they released in 2003. It was released on January 29, 2003, and debuted at number one on the Oricon charts with 437,903 copies sold in the first week, and became their fifth single to achieve two consecutive weeks at the number one slot, a comparatively rare feat. Two versions were released, CD and DVD.