The hex color #b6c9cc is a light color. The web-safe version is Hex
#CCCCCC. A complementary color is
#493633. The grayscale version is
#C4C4C4. A 20% lighter version of the original color is
#E9FCFF, and Hex
#839699 is the 20% darker color. If the color is saturated by 10%, you get
#B5CACD. If the color is desaturated by 10%, the color
#B7C8CB is obtained.