The hex color #55996c is a dark color. The web-safe version is Hex
#669966. A complementary color is
#AA6693. The grayscale version is
#737373. A 20% lighter version of the original color is
#88CC9F, and Hex
#226639 is the 20% darker color. If the color is saturated by 10%, you get
#529D6B. If the color is desaturated by 10%, the color
#58956D is obtained.