The hex color #81c6fb is a light color. The web-safe version is Hex
#99CCFF. A complementary color is
#7E3904. The grayscale version is
#C1C1C1. A 20% lighter version of the original color is
#B4F9FF, and Hex
#4E93C8 is the 20% darker color. If the color is saturated by 10%, you get
#7BC7FF. If the color is desaturated by 10%, the color
#87C5F5 is obtained.