The hex color #18843c is a dark color. The web-safe version is Hex
#009933. A complementary color is
#E77BC3. The grayscale version is
#484848. A 20% lighter version of the original color is
#4BB76F, and Hex
#005109 is the 20% darker color. If the color is saturated by 10%, you get
#138A3B. If the color is desaturated by 10%, the color
#1D7E3D is obtained.