The hex color #338d4e is a dark color. The web-safe version is Hex
#339966. A complementary color is
#CC72B1. The grayscale version is
#5A5A5A. A 20% lighter version of the original color is
#66C081, and Hex
#005A1B is the 20% darker color. If the color is saturated by 10%, you get
#2F924D. If the color is desaturated by 10%, the color
#37884F is obtained.