Red, gold and cream wedding. Thoughts and suggestions?

What color vest/tie is groom wearing, he needs to be different not best man. Think what you have is great, to add anymore Christmas to me would take away from your already Christmas colors. The only thing I would add is the greenery in the rose centerpieces, use different kinds of traditional Christmas greenery, fir, pine, cedar, etc, just a bit with regular greenery that will be used. But, that is all, less is more. What you have is just right, don't pick with it, you will get away from the beautiful color scheme that you have.