The hex color #b5d8ea is a light color. The web-safe version is Hex
#CCCCFF. A complementary color is
#4A2715. The grayscale version is
#D2D2D2. A 20% lighter version of the original color is
#E8FFFF, and Hex
#82A5B7 is the 20% darker color. If the color is saturated by 10%, you get
#B2D9EC. If the color is desaturated by 10%, the color
#B8D7E8 is obtained.