The hex color #73d91f is a light color. The web-safe version is Hex
#66CC33. A complementary color is
#8C26E0. The grayscale version is
#797979. A 20% lighter version of the original color is
#A6FF52, and Hex
#40A600 is the 20% darker color. If the color is saturated by 10%, you get
#72E316. If the color is desaturated by 10%, the color
#74CF28 is obtained.