The hex color #fedf99 is a light color. The web-safe version is Hex
#FFCC99. A complementary color is
#012066. The grayscale version is
#D2D2D2. A 20% lighter version of the original color is
#FFFFCC, and Hex
#CBAC66 is the 20% darker color. If the color is saturated by 10%, you get
#FFE093. If the color is desaturated by 10%, the color
#FADE9F is obtained.