The hex color #f4e73f is a light color. The web-safe version is Hex
#FFFF33. A complementary color is
#0B18C0. The grayscale version is
#B3B3B3. A 20% lighter version of the original color is
#FFFF72, and Hex
#C1B40C is the 20% darker color. If the color is saturated by 10%, you get
#FAEC33. If the color is desaturated by 10%, the color
#EEE24B is obtained.