The hex color #09e5df is a light color. The web-safe version is Hex
#00CCCC. A complementary color is
#F61A20. The grayscale version is
#9A9A9A. A 20% lighter version of the original color is
#3CFFFF, and Hex
#00B2AC is the 20% darker color. If the color is saturated by 10%, you get
#00EDE6. If the color is desaturated by 10%, the color
#17DDD8 is obtained.