The hex color #09b9cc is a light color. The web-safe version is Hex
#00CCCC. A complementary color is
#F64633. The grayscale version is
#858585. A 20% lighter version of the original color is
#3CECFF, and Hex
#008699 is the 20% darker color. If the color is saturated by 10%, you get
#00BED3. If the color is desaturated by 10%, the color
#15B4C5 is obtained.