The hex color #4DF0FF is a light color. The web-safe version is Hex
#66FFFF. A complementary color is
#B20F00. The grayscale version is
#BFBFBF. A 20% lighter version of the original color is
#80FFFF, and Hex
#1ABDCC is the 20% darker color. If the color is saturated by 10%, you get
#42F5FF. If the color is desaturated by 10%, the color
#58EBF9 is obtained.