The hex color #409d0f is a dark color. The web-safe version is Hex
#339900. A complementary color is
#BF62F0. The grayscale version is
#4F4F4F. A 20% lighter version of the original color is
#73D042, and Hex
#0D6A00 is the 20% darker color. If the color is saturated by 10%, you get
#3FA509. If the color is desaturated by 10%, the color
#419515 is obtained.