The hex color #71e3fd is a light color. The web-safe version is Hex
#66CCFF. A complementary color is
#8E1C02. The grayscale version is
#C6C6C6. A 20% lighter version of the original color is
#A4FFFF, and Hex
#3EB0CA is the 20% darker color. If the color is saturated by 10%, you get
#69E6FF. If the color is desaturated by 10%, the color
#79E0F7 is obtained.