The hex color #4bcb51 is a light color. The web-safe version is Hex
#33CC66. A complementary color is
#B434AE. The grayscale version is
#787878. A 20% lighter version of the original color is
#7EFE84, and Hex
#18981E is the 20% darker color. If the color is saturated by 10%, you get
#47D34D. If the color is desaturated by 10%, the color
#4FC355 is obtained.