The hex color #04f81d is a light color. The web-safe version is Hex
#00FF33. A complementary color is
#FB07E2. The grayscale version is
#5E5E5E. A 20% lighter version of the original color is
#37FF50, and Hex
#00C500 is the 20% darker color. If the color is saturated by 10%, you get
#00FF17. If the color is desaturated by 10%, the color
#0DE923 is obtained.