The hex color #72c9fb is a light color. The web-safe version is Hex
#66CCFF. A complementary color is
#8D3604. The grayscale version is
#BDBDBD. A 20% lighter version of the original color is
#A5FCFF, and Hex
#3F96C8 is the 20% darker color. If the color is saturated by 10%, you get
#6BCAFF. If the color is desaturated by 10%, the color
#79C8F5 is obtained.