The hex color #09c8b5 is a light color. The web-safe version is Hex
#00CCCC. A complementary color is
#F6374A. The grayscale version is
#828282. A 20% lighter version of the original color is
#3CFBE8, and Hex
#009582 is the 20% darker color. If the color is saturated by 10%, you get
#00CFBA. If the color is desaturated by 10%, the color
#15C1B0 is obtained.