The hex color #a8e80d is a light color. The web-safe version is Hex
#99FF00. A complementary color is
#5717F2. The grayscale version is
#8A8A8A. A 20% lighter version of the original color is
#DBFF40, and Hex
#75B500 is the 20% darker color. If the color is saturated by 10%, you get
#ABF101. If the color is desaturated by 10%, the color
#A5DF19 is obtained.