青色7 (Romaji: Aoiro 7 English: Blue 7) was one of the three Hello! Project shuffle units formed in 2000, along with Akagumi 4 and Kiiro 5. They released the single 青いスポーツカーの男 (Romaji: Aoi Sportscar no Otoko; English: The Boy in the Blue Sportscar) , and the group sold the least number of copies.