The hex color #81eadc is a light color. The web-safe version is Hex
#99FFCC. A complementary color is
#7E1523. The grayscale version is
#C2C2C2. A 20% lighter version of the original color is
#B4FFFF, and Hex
#4EB7A9 is the 20% darker color. If the color is saturated by 10%, you get
#7AEEDF. If the color is desaturated by 10%, the color
#88E6D9 is obtained.