The hex color #81a08d is a light color. The web-safe version is Hex
#999999. A complementary color is
#7E5F72. The grayscale version is
#8F8F8F. A 20% lighter version of the original color is
#B4D3C0, and Hex
#4E6D5A is the 20% darker color. If the color is saturated by 10%, you get
#80A28D. If the color is desaturated by 10%, the color
#829E8D is obtained.