The hex color #4fd45c is a light color. The web-safe version is Hex
#66CC66. A complementary color is
#B02BA3. The grayscale version is
#808080. A 20% lighter version of the original color is
#82FF8F, and Hex
#1CA129 is the 20% darker color. If the color is saturated by 10%, you get
#4ADC58. If the color is desaturated by 10%, the color
#54CC60 is obtained.