The hex color #a8fe17 is a light color. The web-safe version is Hex
#99FF00. A complementary color is
#5701E8. The grayscale version is
#949494. A 20% lighter version of the original color is
#DBFF4A, and Hex
#75CB00 is the 20% darker color. If the color is saturated by 10%, you get
#AAFF0A. If the color is desaturated by 10%, the color
#A6F324 is obtained.