The hex color #a5ef1f is a light color. The web-safe version is Hex
#99FF33. A complementary color is
#5A10E0. The grayscale version is
#919191. A 20% lighter version of the original color is
#D8FF52, and Hex
#72BC00 is the 20% darker color. If the color is saturated by 10%, you get
#A7F814. If the color is desaturated by 10%, the color
#A3E62A is obtained.