The hex color #00c3c4 is a light color. The web-safe version is Hex
#00CCCC. A complementary color is
#FF3C3B. The grayscale version is
#828282. A 20% lighter version of the original color is
#33F6F7, and Hex
#009091 is the 20% darker color. If the color is saturated by 10%, you get
#00C9CB. If the color is desaturated by 10%, the color
#0DBDBD is obtained.