The hex color #f1de9b is a light color. The web-safe version is Hex
#FFCC99. A complementary color is
#0E2164. The grayscale version is
#CECECE. A 20% lighter version of the original color is
#FFFFCE, and Hex
#BEAB68 is the 20% darker color. If the color is saturated by 10%, you get
#F5E096. If the color is desaturated by 10%, the color
#EEDCA0 is obtained.