The hex color #99b29e is a light color. The web-safe version is Hex
#999999. A complementary color is
#664D61. The grayscale version is
#A3A3A3. A 20% lighter version of the original color is
#CCE5D1, and Hex
#667F6B is the 20% darker color. If the color is saturated by 10%, you get
#98B49E. If the color is desaturated by 10%, the color
#9AB19F is obtained.