The hex color #f6f73e is a light color. The web-safe version is Hex
#FFFF33. A complementary color is
#0908C1. The grayscale version is
#B9B9B9. A 20% lighter version of the original color is
#FFFF71, and Hex
#C3C40B is the 20% darker color. If the color is saturated by 10%, you get
#FCFD32. If the color is desaturated by 10%, the color
#F0F14A is obtained.