Tamarind heartwood is reddish brown, sometimes with a purplish hue. "Laurel green" is a medium light hue of greenish gray similar to asparagus, but lighter. Gemstone color can be described in terms of hue, saturation, and tone. The result is a darker hue and sweeter taste. Tin is a silvery metal that characteristically has a faint yellow hue. Several groups of colors share the same hue and HSL saturation. Blue sapphires are evaluated based upon the purity of their blue hue. Tea steeped from genmaicha has a light yellow hue. It is hematite that gives the large Balanced Rock its red hue. It was silver with a golden-brown hue and grey claws. This results in the skin of Caucasian patients gaining a bluish hue. Noctilucent clouds may occasionally take on more of a red or orange hue. Vermilion is a dense, opaque pigment with a clear, brilliant hue. Nine shades of chocolate were tested before Burton settled on the proper hue. Wearing clothes with a darker hue is forbidden and considered bad luck.