The hex color #a8f72b is a light color. The web-safe version is Hex
#99FF33. A complementary color is
#5708D4. The grayscale version is
#999999. A 20% lighter version of the original color is
#DBFF5E, and Hex
#75C400 is the 20% darker color. If the color is saturated by 10%, you get
#AAFF20. If the color is desaturated by 10%, the color
#A6EE36 is obtained.