The hex color #68a54d is a light color. The web-safe version is Hex
#669966. A complementary color is
#975AB2. The grayscale version is
#737373. A 20% lighter version of the original color is
#9BD880, and Hex
#35721A is the 20% darker color. If the color is saturated by 10%, you get
#67AA49. If the color is desaturated by 10%, the color
#69A051 is obtained.