The hex color #168e31 is a dark color. The web-safe version is Hex
#009933. A complementary color is
#E971CE. The grayscale version is
#474747. A 20% lighter version of the original color is
#49C164, and Hex
#005B00 is the 20% darker color. If the color is saturated by 10%, you get
#11952F. If the color is desaturated by 10%, the color
#1B8733 is obtained.