The hex color #a9dcf4 is a light color. The web-safe version is Hex
#99CCFF. A complementary color is
#56230B. The grayscale version is
#D3D3D3. A 20% lighter version of the original color is
#DCFFFF, and Hex
#76A9C1 is the 20% darker color. If the color is saturated by 10%, you get
#A5DDF7. If the color is desaturated by 10%, the color
#ADDBF1 is obtained.