The hex color #a9b5cd is a light color. The web-safe version is Hex
#99CCCC. A complementary color is
#564A32. The grayscale version is
#B9B9B9. A 20% lighter version of the original color is
#DCE8FF, and Hex
#76829A is the 20% darker color. If the color is saturated by 10%, you get
#A7B5CF. If the color is desaturated by 10%, the color
#ABB5CB is obtained.