The hex color #dfdf3e is a light color. The web-safe version is Hex
#CCCC33. A complementary color is
#2020C1. The grayscale version is
#A9A9A9. A 20% lighter version of the original color is
#FFFF71, and Hex
#ACAC0B is the 20% darker color. If the color is saturated by 10%, you get
#E4E433. If the color is desaturated by 10%, the color
#DADA49 is obtained.