The hex color #a7ac9c is a light color. The web-safe version is Hex
#999999. A complementary color is
#585363. The grayscale version is
#A5A5A5. A 20% lighter version of the original color is
#DADFCF, and Hex
#747969 is the 20% darker color. If the color is saturated by 10%, you get
#A7AD9B. If the color is desaturated by 10%, the color
#A7AB9D is obtained.