The hex color #a8ef4b is a light color. The web-safe version is Hex
#99FF33. A complementary color is
#5710B4. The grayscale version is
#A1A1A1. A 20% lighter version of the original color is
#DBFF7E, and Hex
#75BC18 is the 20% darker color. If the color is saturated by 10%, you get
#A9F742. If the color is desaturated by 10%, the color
#A7E754 is obtained.