The hex color #a9c8c0 is a light color. The web-safe version is Hex
#99CCCC. A complementary color is
#56373F. The grayscale version is
#BBBBBB. A 20% lighter version of the original color is
#DCFBF3, and Hex
#76958D is the 20% darker color. If the color is saturated by 10%, you get
#A7C9C1. If the color is desaturated by 10%, the color
#ABC7C0 is obtained.