Lee Seong-hwa (; born December 8, 1986), better known by his stage name Gray (; stylized as GRAY), is a South Korean rapper and record producer. In 2012, he released his debut single "Blink" (). In 2021, he released his first studio album Grayground.
Gray started composing songs when he was 17. He studied computer engineering at Hongik University. He joined AOMG in 2013 and contributed greatly to the growth of the label. He produced many hit songs such as Woo's "We Are" as well as high-quality hip-hop tracks such as Jay Park's "On It".
It was revealed that Gray's exclusive contract with AOMG ended in March 2024. After 13 years, he has decided to leave the label.