The hex color #4fea9d is a light color. The web-safe version is Hex
#66FF99. A complementary color is
#B01562. The grayscale version is
#9D9D9D. A 20% lighter version of the original color is
#82FFD0, and Hex
#1CB76A is the 20% darker color. If the color is saturated by 10%, you get
#47F29D. If the color is desaturated by 10%, the color
#57E29D is obtained.