The hex color #8c99b6 is a light color. The web-safe version is Hex
#9999CC. A complementary color is
#736649. The grayscale version is
#9E9E9E. A 20% lighter version of the original color is
#BFCCE9, and Hex
#596683 is the 20% darker color. If the color is saturated by 10%, you get
#8A98B8. If the color is desaturated by 10%, the color
#8E9AB4 is obtained.