The hex color #a99a11 is a light color. The web-safe version is Hex
#999900. A complementary color is
#5665EE. The grayscale version is
#717171. A 20% lighter version of the original color is
#DCCD44, and Hex
#766700 is the 20% darker color. If the color is saturated by 10%, you get
#AF9E07. If the color is desaturated by 10%, the color
#A3961B is obtained.