The hex color #3ea25f is a dark color. The web-safe version is Hex
#339966. A complementary color is
#C15DA0. The grayscale version is
#6A6A6A. A 20% lighter version of the original color is
#71D592, and Hex
#0B6F2C is the 20% darker color. If the color is saturated by 10%, you get
#3AA85E. If the color is desaturated by 10%, the color
#429C60 is obtained.