The hex color #f3e33d is a light color. The web-safe version is Hex
#FFCC33. A complementary color is
#0C1CC2. The grayscale version is
#B1B1B1. A 20% lighter version of the original color is
#FFFF70, and Hex
#C0B00A is the 20% darker color. If the color is saturated by 10%, you get
#FAE831. If the color is desaturated by 10%, the color
#ECDE49 is obtained.