The hex color #8aa99c is a light color. The web-safe version is Hex
#999999. A complementary color is
#755663. The grayscale version is
#9A9A9A. A 20% lighter version of the original color is
#BDDCCF, and Hex
#577669 is the 20% darker color. If the color is saturated by 10%, you get
#88AA9C. If the color is desaturated by 10%, the color
#8CA89C is obtained.