The hex color #a4cdea is a light color. The web-safe version is Hex
#99CCFF. A complementary color is
#5B3215. The grayscale version is
#C9C9C9. A 20% lighter version of the original color is
#D7FFFF, and Hex
#719AB7 is the 20% darker color. If the color is saturated by 10%, you get
#A0CDED. If the color is desaturated by 10%, the color
#A8CDE7 is obtained.