The hex color #3eb84d is a light color. The web-safe version is Hex
#33CC66. A complementary color is
#C147B2. The grayscale version is
#6C6C6C. A 20% lighter version of the original color is
#71EB80, and Hex
#0B851A is the 20% darker color. If the color is saturated by 10%, you get
#39C04A. If the color is desaturated by 10%, the color
#43B050 is obtained.