The hex color #99b8fe is a light color. The web-safe version is Hex
#99CCFF. A complementary color is
#664701. The grayscale version is
#C5C5C5. A 20% lighter version of the original color is
#CCEBFF, and Hex
#6685CB is the 20% darker color. If the color is saturated by 10%, you get
#95B7FF. If the color is desaturated by 10%, the color
#9DB9F8 is obtained.