They all look good to me. In fact I will probably be using one of them myself.
Which color looks best will probably come down to the way the graphics look, in contrast etc. So: what graphics do you have in mind?
For what it's worth, I think I would get the stock Raleigh Sports decal set from about 1960 and use it selectively --omit the word "sports" for example.
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If someone tells you that you have enough bicycles and you don't need any more, stop talking to them. You don't need that kind of negativity in your life.