The hex color #00c3a1 is a light color. The web-safe version is Hex
#00CC99. A complementary color is
#FF3C5E. The grayscale version is
#777777. A 20% lighter version of the original color is
#33F6D4, and Hex
#00906E is the 20% darker color. If the color is saturated by 10%, you get
#00CBA5. If the color is desaturated by 10%, the color
#0CBB9D is obtained.