The hex color #4d8a3c is a dark color. The web-safe version is Hex
#669933. A complementary color is
#B275C3. The grayscale version is
#5C5C5C. A 20% lighter version of the original color is
#80BD6F, and Hex
#1A5709 is the 20% darker color. If the color is saturated by 10%, you get
#4C8F39. If the color is desaturated by 10%, the color
#4E853F is obtained.