The hex color #73f50d is a light color. The web-safe version is Hex
#66FF00. A complementary color is
#8C0AF2. The grayscale version is
#7C7C7C. A 20% lighter version of the original color is
#A6FF40, and Hex
#40C200 is the 20% darker color. If the color is saturated by 10%, you get
#72FF02. If the color is desaturated by 10%, the color
#74E918 is obtained.