The hex color #f4c73c is a light color. The web-safe version is Hex
#FFCC33. A complementary color is
#0B38C3. The grayscale version is
#A8A8A8. A 20% lighter version of the original color is
#FFFA6F, and Hex
#C19409 is the 20% darker color. If the color is saturated by 10%, you get
#FCCA31. If the color is desaturated by 10%, the color
#ECC447 is obtained.