The hex color #ffbb4f is a light color. The web-safe version is Hex
#FFCC66. A complementary color is
#0044B0. The grayscale version is
#AEAEAE. A 20% lighter version of the original color is
#FFEE82, and Hex
#CC881C is the 20% darker color. If the color is saturated by 10%, you get
#FFBC46. If the color is desaturated by 10%, the color
#F7BA58 is obtained.