The hex color #99a9ef is a light color. The web-safe version is Hex
#9999FF. A complementary color is
#665610. The grayscale version is
#BBBBBB. A 20% lighter version of the original color is
#CCDCFF, and Hex
#6676BC is the 20% darker color. If the color is saturated by 10%, you get
#96A7F4. If the color is desaturated by 10%, the color
#9CABEA is obtained.