The hex color #bfbd10 is a light color. The web-safe version is Hex
#CCCC00. A complementary color is
#4042EF. The grayscale version is
#848484. A 20% lighter version of the original color is
#F2F043, and Hex
#8C8A00 is the 20% darker color. If the color is saturated by 10%, you get
#C5C304. If the color is desaturated by 10%, the color
#B9B71C is obtained.