The hex color #4eeb51 is a light color. The web-safe version is Hex
#66FF66. A complementary color is
#B114AE. The grayscale version is
#838383. A 20% lighter version of the original color is
#81FF84, and Hex
#1BB81E is the 20% darker color. If the color is saturated by 10%, you get
#49F54C. If the color is desaturated by 10%, the color
#53E156 is obtained.