The hex color #f8c82b is a light color. The web-safe version is Hex
#FFCC33. A complementary color is
#0737D4. The grayscale version is
#A4A4A4. A 20% lighter version of the original color is
#FFFB5E, and Hex
#C59500 is the 20% darker color. If the color is saturated by 10%, you get
#FFCC1F. If the color is desaturated by 10%, the color
#F0C437 is obtained.