The hex color #09bfa4 is a light color. The web-safe version is Hex
#00CC99. A complementary color is
#F6405B. The grayscale version is
#797979. A 20% lighter version of the original color is
#3CF2D7, and Hex
#008C71 is the 20% darker color. If the color is saturated by 10%, you get
#00C6A8. If the color is desaturated by 10%, the color
#14B8A0 is obtained.