The hex color #80e40d is a light color. The web-safe version is Hex
#99CC00. A complementary color is
#7F1BF2. The grayscale version is
#7B7B7B. A 20% lighter version of the original color is
#B3FF40, and Hex
#4DB100 is the 20% darker color. If the color is saturated by 10%, you get
#81EF02. If the color is desaturated by 10%, the color
#80DA18 is obtained.