The hex color #3f714c is a dark color. The web-safe version is Hex
#336633. A complementary color is
#C08EB3. The grayscale version is
#545454. A 20% lighter version of the original color is
#72A47F, and Hex
#0C3E19 is the 20% darker color. If the color is saturated by 10%, you get
#3D744B. If the color is desaturated by 10%, the color
#416E4D is obtained.