The hex color #a9c4a3 is a light color. The web-safe version is Hex
#99CC99. A complementary color is
#563B5C. The grayscale version is
#B0B0B0. A 20% lighter version of the original color is
#DCF7D6, and Hex
#769170 is the 20% darker color. If the color is saturated by 10%, you get
#A8C6A2. If the color is desaturated by 10%, the color
#AAC2A4 is obtained.