The hex color #c9ece5 is a light color. The web-safe version is Hex
#CCFFCC. A complementary color is
#36131A. The grayscale version is
#DEDEDE. A 20% lighter version of the original color is
#FCFFFF, and Hex
#96B9B2 is the 20% darker color. If the color is saturated by 10%, you get
#C7EDE6. If the color is desaturated by 10%, the color
#CBEBE4 is obtained.