The hex color #a99d5e is a light color. The web-safe version is Hex
#999966. A complementary color is
#5662A1. The grayscale version is
#8C8C8C. A 20% lighter version of the original color is
#DCD091, and Hex
#766A2B is the 20% darker color. If the color is saturated by 10%, you get
#AC9F59. If the color is desaturated by 10%, the color
#A69B63 is obtained.