The hex color #68c84b is a light color. The web-safe version is Hex
#66CC33. A complementary color is
#9737B4. The grayscale version is
#7E7E7E. A 20% lighter version of the original color is
#9BFB7E, and Hex
#359518 is the 20% darker color. If the color is saturated by 10%, you get
#66CF46. If the color is desaturated by 10%, the color
#6AC150 is obtained.