There is no single answer to this. There does not seem to be a color or set of colors that are more or less attractive to pigeons. Noting that, you should also know that pigeons have a different color vision than we humans. read more
well pigeons are retty slow and dumb animals so not much attraxcts them except food and of course 2 colours , red and orange. these colours attract the beacuse nearly all pgeons are colour blind, but these two colourse stand out . read more