The hex color #ddd12f is a light color. The web-safe version is Hex
#CCCC33. A complementary color is
#222ED0. The grayscale version is
#9F9F9F. A 20% lighter version of the original color is
#FFFF62, and Hex
#AA9E00 is the 20% darker color. If the color is saturated by 10%, you get
#E3D624. If the color is desaturated by 10%, the color
#D7CC3A is obtained.