The hex color #71C2D4 is a light color. The web-safe version is Hex
#66CCCC. A complementary color is
#8E3D2B. The grayscale version is
#ADADAD. A 20% lighter version of the original color is
#A4F5FF, and Hex
#3E8FA1 is the 20% darker color. If the color is saturated by 10%, you get
#6BC4D8. If the color is desaturated by 10%, the color
#77C0D0 is obtained.