The hex color #30671c is a dark color. The web-safe version is Hex
#336633. A complementary color is
#CF98E3. The grayscale version is
#3C3C3C. A 20% lighter version of the original color is
#639A4F, and Hex
#003400 is the 20% darker color. If the color is saturated by 10%, you get
#2F6B19. If the color is desaturated by 10%, the color
#31631F is obtained.