The hex color #a5d40e is a light color. The web-safe version is Hex
#99CC00. A complementary color is
#5A2BF1. The grayscale version is
#828282. A 20% lighter version of the original color is
#D8FF41, and Hex
#72A100 is the 20% darker color. If the color is saturated by 10%, you get
#A8DC02. If the color is desaturated by 10%, the color
#A2CC1A is obtained.