"Colorful × Sexy" is a more jazz-like version of the song "Colorful × Melody" with different lyrics, comissioned by SEGA for the Hatsune Miku -Project DIVA- series. Like its predecessor, the song tells of two girls wondering what color to name their love. This song is featured on the albums Colorful×Melody (カラフル×メロディ) and 初音ミク -Project DIVA- extend Complete Collection.