The hex color #99bbcd is a light color. The web-safe version is Hex
#99CCCC. A complementary color is
#664432. The grayscale version is
#B6B6B6. A 20% lighter version of the original color is
#CCEEFF, and Hex
#66889A is the 20% darker color. If the color is saturated by 10%, you get
#96BCCF. If the color is desaturated by 10%, the color
#9CBACB is obtained.