The hex color #71ecef is a light color. The web-safe version is Hex
#66FFFF. A complementary color is
#8E1310. The grayscale version is
#C4C4C4. A 20% lighter version of the original color is
#A4FFFF, and Hex
#3EB9BC is the 20% darker color. If the color is saturated by 10%, you get
#69F0F3. If the color is desaturated by 10%, the color
#79E8EB is obtained.