The hex color #4fe1fa is a light color. The web-safe version is Hex
#66CCFF. A complementary color is
#B01E05. The grayscale version is
#B9B9B9. A 20% lighter version of the original color is
#82FFFF, and Hex
#1CAEC7 is the 20% darker color. If the color is saturated by 10%, you get
#44E5FF. If the color is desaturated by 10%, the color
#5ADDF3 is obtained.