The hex color #71bef5 is a light color. The web-safe version is Hex
#66CCFF. A complementary color is
#8E410A. The grayscale version is
#B7B7B7. A 20% lighter version of the original color is
#A4F1FF, and Hex
#3E8BC2 is the 20% darker color. If the color is saturated by 10%, you get
#6ABFFB. If the color is desaturated by 10%, the color
#78BDEF is obtained.