The hex color #00c3d0 is a light color. The web-safe version is Hex
#00CCCC. A complementary color is
#FF3C2F. The grayscale version is
#868686. A 20% lighter version of the original color is
#33F6FF, and Hex
#00909D is the 20% darker color. If the color is saturated by 10%, you get
#00C9D7. If the color is desaturated by 10%, the color
#0DBDC9 is obtained.