Mor ve Ötesi (literally Purple and its beyond; a play on the word "morötesi", meaning "ultraviolet") is a Turkish alternative rock band from Istanbul, Turkey. Its four current members are Harun Tekin (vocals and rhythm guitar), Kerem Kabadayı (drums), Burak Güven (bass) and Kerem Özyeğen (lead guitar). Former members include Alper Tekin (no relation to Harun) and Derin Esmer. The band achieved mainstream success with the release of the album Dünya Yalan Söylüyor.