Lee Seong-Hwa(이성화) or rather known as GRAY (hangul:그레이, born 8 December 1986), is a South Korean hip hop artist and record producer, managed by record label AOMG led by Jay Park and Simon D. He is also part of VV:D crew along with Loco, Elo, Zion.T and Crush.

Grey or gray (see spelling differences) is an intermediate color between black and white. It is a neutral or achromatic color, meaning literally that it is a color "without color". It is the color of a cloud-covered sky, of ash and of lead.