The hex color #a9f5fe is a light color. The web-safe version is Hex
#99FFFF. A complementary color is
#560A01. The grayscale version is
#DFDFDF. A 20% lighter version of the original color is
#DCFFFF, and Hex
#76C2CB is the 20% darker color. If the color is saturated by 10%, you get
#A4F7FF. If the color is desaturated by 10%, the color
#AEF3FB is obtained.