The hex color #f6f77e is a light color. The web-safe version is Hex
#FFFF66. A complementary color is
#090881. The grayscale version is
#CECECE. A 20% lighter version of the original color is
#FFFFB1, and Hex
#C3C44B is the 20% darker color. If the color is saturated by 10%, you get
#FAFB76. If the color is desaturated by 10%, the color
#F2F386 is obtained.