The hex color #8ffb51 is a light color. The web-safe version is Hex
#99FF66. A complementary color is
#7004AE. The grayscale version is
#9E9E9E. A 20% lighter version of the original color is
#C2FF84, and Hex
#5CC81E is the 20% darker color. If the color is saturated by 10%, you get
#8DFF49. If the color is desaturated by 10%, the color
#91F259 is obtained.