The hex color #a7dd3e is a light color. The web-safe version is Hex
#99CC33. A complementary color is
#5822C1. The grayscale version is
#969696. A 20% lighter version of the original color is
#DAFF71, and Hex
#74AA0B is the 20% darker color. If the color is saturated by 10%, you get
#A9E435. If the color is desaturated by 10%, the color
#A5D647 is obtained.