The hex color #f6d613 is a light color. The web-safe version is Hex
#FFCC00. A complementary color is
#0929EC. The grayscale version is
#A0A0A0. A 20% lighter version of the original color is
#FFFF46, and Hex
#C3A300 is the 20% darker color. If the color is saturated by 10%, you get
#FFDB05. If the color is desaturated by 10%, the color
#EDD121 is obtained.