The hex color #6c8f19 is a dark color. The web-safe version is Hex
#669900. A complementary color is
#9370E6. The grayscale version is
#5C5C5C. A 20% lighter version of the original color is
#9FC24C, and Hex
#395C00 is the 20% darker color. If the color is saturated by 10%, you get
#6E9412. If the color is desaturated by 10%, the color
#6A8A20 is obtained.