The hex color #00c3bf is a light color. The web-safe version is Hex
#00CCCC. A complementary color is
#FF3C40. The grayscale version is
#818181. A 20% lighter version of the original color is
#33F6F2, and Hex
#00908C is the 20% darker color. If the color is saturated by 10%, you get
#00CAC5. If the color is desaturated by 10%, the color
#0DBCB9 is obtained.