The hex color #a5f50e is a light color. The web-safe version is Hex
#99FF00. A complementary color is
#5A0AF1. The grayscale version is
#8D8D8D. A 20% lighter version of the original color is
#D8FF41, and Hex
#72C200 is the 20% darker color. If the color is saturated by 10%, you get
#A7FF01. If the color is desaturated by 10%, the color
#A3EB1B is obtained.