The hex color #8dbb51 is a light color. The web-safe version is Hex
#99CC66. A complementary color is
#7244AE. The grayscale version is
#888888. A 20% lighter version of the original color is
#C0EE84, and Hex
#5A881E is the 20% darker color. If the color is saturated by 10%, you get
#8DC04B. If the color is desaturated by 10%, the color
#8DB657 is obtained.