The hex color #dfd537 is a light color. The web-safe version is Hex
#CCCC33. A complementary color is
#202AC8. The grayscale version is
#A4A4A4. A 20% lighter version of the original color is
#FFFF6A, and Hex
#ACA204 is the 20% darker color. If the color is saturated by 10%, you get
#E5DA2C. If the color is desaturated by 10%, the color
#D9D042 is obtained.