The hex color #a9fc6e is a light color. The web-safe version is Hex
#99FF66. A complementary color is
#560391. The grayscale version is
#B1B1B1. A 20% lighter version of the original color is
#DCFFA1, and Hex
#76C93B is the 20% darker color. If the color is saturated by 10%, you get
#A8FF67. If the color is desaturated by 10%, the color
#AAF575 is obtained.