The hex color #dfdf0f is a light color. The web-safe version is Hex
#CCCC00. A complementary color is
#2020F0. The grayscale version is
#9A9A9A. A 20% lighter version of the original color is
#FFFF42, and Hex
#ACAC00 is the 20% darker color. If the color is saturated by 10%, you get
#E6E601. If the color is desaturated by 10%, the color
#D8D81D is obtained.