The hex color #56b18f is a light color. The web-safe version is Hex
#669999. A complementary color is
#A94E70. The grayscale version is
#878787. A 20% lighter version of the original color is
#89E4C2, and Hex
#237E5C is the 20% darker color. If the color is saturated by 10%, you get
#51B590. If the color is desaturated by 10%, the color
#5BAD8E is obtained.