"Indigo" (stylized as IndiGO) is a song by South Korean rappers Justhis, Kid Milli, Noel, and Yang Hong-won.

It was released on June 24, 2018, by Indigo Music as the lead single of the compilation album IM.

"Indigo" won hip-hop track of the year and collaboration of the year at the Korean Hip-hop Awards.

According to KHA, it "shows who the next generation of Korean hip-hop is.

"[1] "Indigo Remix" (stylized as "IndiGO Remix") is the remix of "Indigo" by South Korean rappers Giriboy, The Quiett, Mommy Son, and Swings.