The hex color #68d41f is a light color. The web-safe version is Hex
#66CC33. A complementary color is
#972BE0. The grayscale version is
#747474. A 20% lighter version of the original color is
#9BFF52, and Hex
#35A100 is the 20% darker color. If the color is saturated by 10%, you get
#67DE17. If the color is desaturated by 10%, the color
#69CA27 is obtained.