The hex color #0aa19e is a dark color. The web-safe version is Hex
#009999. A complementary color is
#F55E61. The grayscale version is
#6E6E6E. A 20% lighter version of the original color is
#3DD4D1, and Hex
#006E6B is the 20% darker color. If the color is saturated by 10%, you get
#00A6A3. If the color is desaturated by 10%, the color
#149C99 is obtained.