The hex color #a9bffb is a light color. The web-safe version is Hex
#99CCFF. A complementary color is
#564004. The grayscale version is
#CCCCCC. A 20% lighter version of the original color is
#DCF2FF, and Hex
#768CC8 is the 20% darker color. If the color is saturated by 10%, you get
#A6BEFF. If the color is desaturated by 10%, the color
#ACC0F6 is obtained.