The hex color #b9dda8 is a light color. The web-safe version is Hex
#CCCC99. A complementary color is
#462257. The grayscale version is
#BFBFBF. A 20% lighter version of the original color is
#ECFFDB, and Hex
#86AA75 is the 20% darker color. If the color is saturated by 10%, you get
#B8E0A6. If the color is desaturated by 10%, the color
#BADAAA is obtained.