The hex color #dfee99 is a light color. The web-safe version is Hex
#CCFF99. A complementary color is
#201166. The grayscale version is
#CDCDCD. A 20% lighter version of the original color is
#FFFFCC, and Hex
#ACBB66 is the 20% darker color. If the color is saturated by 10%, you get
#E1F194. If the color is desaturated by 10%, the color
#DDEB9E is obtained.