The hex color #4ffe3d is a light color. The web-safe version is Hex
#66FF33. A complementary color is
#B001C2. The grayscale version is
#838383. A 20% lighter version of the original color is
#82FF70, and Hex
#1CCB0A is the 20% darker color. If the color is saturated by 10%, you get
#4AFF36. If the color is desaturated by 10%, the color
#54F244 is obtained.