The hex color #a9c1bb is a light color. The web-safe version is Hex
#99CCCC. A complementary color is
#563E44. The grayscale version is
#B7B7B7. A 20% lighter version of the original color is
#DCF4EE, and Hex
#768E88 is the 20% darker color. If the color is saturated by 10%, you get
#A8C2BB. If the color is desaturated by 10%, the color
#AAC0BB is obtained.