The hex color #73fe3c is a light color. The web-safe version is Hex
#66FF33. A complementary color is
#8C01C3. The grayscale version is
#8F8F8F. A 20% lighter version of the original color is
#A6FF6F, and Hex
#40CB09 is the 20% darker color. If the color is saturated by 10%, you get
#70FF34. If the color is desaturated by 10%, the color
#76F344 is obtained.