The hex color #a7c7bb is a light color. The web-safe version is Hex
#99CCCC. A complementary color is
#583844. The grayscale version is
#B8B8B8. A 20% lighter version of the original color is
#DAFAEE, and Hex
#749488 is the 20% darker color. If the color is saturated by 10%, you get
#A5C8BB. If the color is desaturated by 10%, the color
#A9C6BB is obtained.