The hex color #4feac3 is a light color. The web-safe version is Hex
#66FFCC. A complementary color is
#B0153C. The grayscale version is
#A9A9A9. A 20% lighter version of the original color is
#82FFF6, and Hex
#1CB790 is the 20% darker color. If the color is saturated by 10%, you get
#46F0C6. If the color is desaturated by 10%, the color
#58E4C0 is obtained.