"Indigo" is a song by the American country singer Sam Barber, with the American singer Avery Anna. It was released on October 31, 2024, as the eighth single from his debut studio album, Restless Mind, which was released the following day. It was the first song to chart from both artists, peaking at number 40 on the Billboard Hot 100. The song gained popularity through the video-sharing app TikTok, and it impacted country radio on February 24, 2025.
