The hex color #a9e99f is a light color. The web-safe version is Hex
#99FF99. A complementary color is
#561660. The grayscale version is
#BBBBBB. A 20% lighter version of the original color is
#DCFFD2, and Hex
#76B66C is the 20% darker color. If the color is saturated by 10%, you get
#A7EE9C. If the color is desaturated by 10%, the color
#ABE4A2 is obtained.