The hex color #ded78c is a light color. The web-safe version is Hex
#CCCC99. A complementary color is
#212873. The grayscale version is
#C0C0C0. A 20% lighter version of the original color is
#FFFFBF, and Hex
#ABA459 is the 20% darker color. If the color is saturated by 10%, you get
#E1D987. If the color is desaturated by 10%, the color
#DBD591 is obtained.