The hex color #72b7dd is a light color. The web-safe version is Hex
#66CCCC. A complementary color is
#8D4822. The grayscale version is
#ADADAD. A 20% lighter version of the original color is
#A5EAFF, and Hex
#3F84AA is the 20% darker color. If the color is saturated by 10%, you get
#6CB8E2. If the color is desaturated by 10%, the color
#78B6D8 is obtained.