The hex color #02a9af is a dark color. The web-safe version is Hex
#009999. A complementary color is
#FD5650. The grayscale version is
#737373. A 20% lighter version of the original color is
#35DCE2, and Hex
#00767C is the 20% darker color. If the color is saturated by 10%, you get
#00AEB5. If the color is desaturated by 10%, the color
#0DA4A9 is obtained.