The hex color #add9e4 is a light color. The web-safe version is Hex
#99CCCC. A complementary color is
#52261B. The grayscale version is
#CECECE. A 20% lighter version of the original color is
#E0FFFF, and Hex
#7AA6B1 is the 20% darker color. If the color is saturated by 10%, you get
#AADAE6. If the color is desaturated by 10%, the color
#B0D8E2 is obtained.