The hex color #1e9a3d is a dark color. The web-safe version is Hex
#339933. A complementary color is
#E165C2. The grayscale version is
#525252. A 20% lighter version of the original color is
#51CD70, and Hex
#00670A is the 20% darker color. If the color is saturated by 10%, you get
#19A13B. If the color is desaturated by 10%, the color
#23933F is obtained.