The hex color #55974c is a dark color. The web-safe version is Hex
#669933. A complementary color is
#AA68B3. The grayscale version is
#686868. A 20% lighter version of the original color is
#88CA7F, and Hex
#226419 is the 20% darker color. If the color is saturated by 10%, you get
#539C49. If the color is desaturated by 10%, the color
#57924F is obtained.