Yes, there are color variations of Hainan Bluestone. Hainan Bluestone is a type of natural stone that is sourced from Hainan Island in China. It is known for its bluish-gray color and unique texture. However, within the category of Hainan Bluestone, you can find variations in color, ranging from lighter shades of blue-gray to darker shades of gray or black. The specific color variation may depend on the quarry from which the stone is sourced, as well as the specific geological conditions and mineral composition of the area.