The hex color #72bcdc is a light color. The web-safe version is Hex
#66CCCC. A complementary color is
#8D4323. The grayscale version is
#AEAEAE. A 20% lighter version of the original color is
#A5EFFF, and Hex
#3F89A9 is the 20% darker color. If the color is saturated by 10%, you get
#6CBDE1. If the color is desaturated by 10%, the color
#78BBD7 is obtained.