With all the colors you have chosen, I doubt you'll "screw it up" so just get whatever you like the most.
If your really worried about not likeing it. (after its done) Search the web for pics of all the different colors, and swing by a car show or two and see what they have...
...when I got my car, I though I was going to change it. After a web search, I felt I should keep it yellow when I get it done....