 Titled "Colours", the songs on the album were entirely written by Hamasaki, while production was led by long-time collaborator Max Matsuura.It also included a variety of Western producers including RedOne Production's members De Paris and Rush, Darkchild, and Grand, plus Andy Kautz, Armin van Buuren, and Benno de Goeij, and Japanese musicians Daishi Dance, DJ Hello Kitty, and M-Flo.This became Hamasaki's first studio album to have not been fully produced by Matsuura, although he did fully contribute to the tracks "Hello New Me", "Pray", and "Now & 4Eva".