The hex color #09a3ad is a dark color. The web-safe version is Hex
#009999. A complementary color is
#F65C52. The grayscale version is
#737373. A 20% lighter version of the original color is
#3CD6E0, and Hex
#00707A is the 20% darker color. If the color is saturated by 10%, you get
#00A8B3. If the color is desaturated by 10%, the color
#149EA7 is obtained.