The hex color #a4ada3 is a light color. The web-safe version is Hex
#999999. A complementary color is
#5B525C. The grayscale version is
#A7A7A7. A 20% lighter version of the original color is
#D7E0D6, and Hex
#717A70 is the 20% darker color. If the color is saturated by 10%, you get
#A4AEA3. If the color is desaturated by 10%, the color
#A4ACA3 is obtained.