Personally, without knowing what he looks like, black is probably a better choice than white. Black tends to not hide as much as white. Of perhaps try one of each.
What colours do you see in him? Any lacing, barring, mottling, or spangling? What colours are where on his body?
What colours do you see in him? Any lacing, barring, mottling, or spangling? What colours are where on his body?