The hex color #a8c3b3 is a light color. The web-safe version is Hex
#99CCCC. A complementary color is
#573C4C. The grayscale version is
#B5B5B5. A 20% lighter version of the original color is
#DBF6E6, and Hex
#759080 is the 20% darker color. If the color is saturated by 10%, you get
#A7C4B3. If the color is desaturated by 10%, the color
#A9C2B3 is obtained.