The hex color #a9c88e is a light color. The web-safe version is Hex
#99CC99. A complementary color is
#563771. The grayscale version is
#AAAAAA. A 20% lighter version of the original color is
#DCFBC1, and Hex
#76955B is the 20% darker color. If the color is saturated by 10%, you get
#A9CB8B. If the color is desaturated by 10%, the color
#A9C591 is obtained.