The hex color #a8ff12 is a light color. The web-safe version is Hex
#99FF00. A complementary color is
#5700ED. The grayscale version is
#939393. A 20% lighter version of the original color is
#DBFF45, and Hex
#75CC00 is the 20% darker color. If the color is saturated by 10%, you get
#AAFF05. If the color is desaturated by 10%, the color
#A6F41F is obtained.