The hex color #dede8c is a light color. The web-safe version is Hex
#CCCC99. A complementary color is
#212173. The grayscale version is
#C3C3C3. A 20% lighter version of the original color is
#FFFFBF, and Hex
#ABAB59 is the 20% darker color. If the color is saturated by 10%, you get
#E1E187. If the color is desaturated by 10%, the color
#DBDB91 is obtained.