The hex color #3da11e is a dark color. The web-safe version is Hex
#339933. A complementary color is
#C25EE1. The grayscale version is
#545454. A 20% lighter version of the original color is
#70D451, and Hex
#0A6E00 is the 20% darker color. If the color is saturated by 10%, you get
#3BA919. If the color is desaturated by 10%, the color
#3F9923 is obtained.