The hex color #6c8f4c is a dark color. The web-safe version is Hex
#669933. A complementary color is
#9370B3. The grayscale version is
#6D6D6D. A 20% lighter version of the original color is
#9FC27F, and Hex
#395C19 is the 20% darker color. If the color is saturated by 10%, you get
#6C9249. If the color is desaturated by 10%, the color
#6C8C4F is obtained.