The hex color #4fab1e is a dark color. The web-safe version is Hex
#669933. A complementary color is
#B054E1. The grayscale version is
#5D5D5D. A 20% lighter version of the original color is
#82DE51, and Hex
#1C7800 is the 20% darker color. If the color is saturated by 10%, you get
#4EB318. If the color is desaturated by 10%, the color
#50A324 is obtained.