The hex color #00c4ee is a light color. The web-safe version is Hex
#00CCFF. A complementary color is
#FF3B11. The grayscale version is
#919191. A 20% lighter version of the original color is
#33F7FF, and Hex
#0091BB is the 20% darker color. If the color is saturated by 10%, you get
#00C9F7. If the color is desaturated by 10%, the color
#0EBFE5 is obtained.