The hex color #a99eaf is a light color. The web-safe version is Hex
#999999. A complementary color is
#566150. The grayscale version is
#A7A7A7. A 20% lighter version of the original color is
#DCD1E2, and Hex
#766B7C is the 20% darker color. If the color is saturated by 10%, you get
#A99DB0. If the color is desaturated by 10%, the color
#A99FAE is obtained.