The hex color #11a49e is a dark color. The web-safe version is Hex
#009999. A complementary color is
#EE5B61. The grayscale version is
#717171. A 20% lighter version of the original color is
#44D7D1, and Hex
#00716B is the 20% darker color. If the color is saturated by 10%, you get
#07A9A3. If the color is desaturated by 10%, the color
#1B9F9A is obtained.