The hex color #4fb33e is a light color. The web-safe version is Hex
#66CC33. A complementary color is
#B04CC1. The grayscale version is
#6B6B6B. A 20% lighter version of the original color is
#82E671, and Hex
#1C800B is the 20% darker color. If the color is saturated by 10%, you get
#4CBA3A. If the color is desaturated by 10%, the color
#52AC42 is obtained.