I do like fishing parachutes, and tie both White and Orange posts regularly (sometimes yellow, or pink but I find them less visible in most situations). If there is any chance that I will have trouble seeing a fly, an orange post is used. I have noticed my catch rate increased. I think this is 100% due to my being able to see the fly, and get a better drift. I would prefer to use a white, or dun post, as they more accurately represent the wing, but any benefit of the representitive wing is lost with a poor drift.