The hex color #e3de7d is a light color. The web-safe version is Hex
#CCCC66. A complementary color is
#1C2182. The grayscale version is
#BFBFBF. A 20% lighter version of the original color is
#FFFFB0, and Hex
#B0AB4A is the 20% darker color. If the color is saturated by 10%, you get
#E7E176. If the color is desaturated by 10%, the color
#DFDB84 is obtained.