The hex color #71B4A8 is a light color. The web-safe version is Hex
#66CC99. A complementary color is
#8E4B57. The grayscale version is
#9A9A9A. A 20% lighter version of the original color is
#A4E7DB, and Hex
#3E8175 is the 20% darker color. If the color is saturated by 10%, you get
#6DB7A9. If the color is desaturated by 10%, the color
#75B1A7 is obtained.