The hex color #3b9d0f is a dark color. The web-safe version is Hex
#339900. A complementary color is
#C462F0. The grayscale version is
#4D4D4D. A 20% lighter version of the original color is
#6ED042, and Hex
#086A00 is the 20% darker color. If the color is saturated by 10%, you get
#39A509. If the color is desaturated by 10%, the color
#3D9515 is obtained.