Colourbox is the only full-length studio album from Colourbox, released by 4AD in August 1985. CAD 508 is the album's catalogue number, used to distinguish it from the earlier mini-album of the same name. The first 10,000 copies of the vinyl LP came with a bonus LP MAD 509. The CD release included the first side of the bonus LP. The album was preceded by the singles "Say You" in March 1984, "Punch" in June 1984, and "The Moon Is Blue" in July 1985.