The hex color #f99b1c is a light color. The web-safe version is Hex
#FF9933. A complementary color is
#0664E3. The grayscale version is
#909090. A 20% lighter version of the original color is
#FFCE4F, and Hex
#C66800 is the 20% darker color. If the color is saturated by 10%, you get
#FF9C10. If the color is desaturated by 10%, the color
#EF9A28 is obtained.