The hex color #a9da72 is a light color. The web-safe version is Hex
#99CC66. A complementary color is
#56258D. The grayscale version is
#A7A7A7. A 20% lighter version of the original color is
#DCFFA5, and Hex
#76A73F is the 20% darker color. If the color is saturated by 10%, you get
#A9DF6D. If the color is desaturated by 10%, the color
#A9D577 is obtained.