The hex color #00c99f is a light color. The web-safe version is Hex
#00CC99. A complementary color is
#FF3660. The grayscale version is
#787878. A 20% lighter version of the original color is
#33FCD2, and Hex
#00966C is the 20% darker color. If the color is saturated by 10%, you get
#00D1A3. If the color is desaturated by 10%, the color
#0CC19B is obtained.