I've never seen a wheat with amber, but that's not to say it's against the rules. Anything flies. It might actually turn out good.
Now, it might be used in some dunkelweizens or weizenbocks, but none that I've seen. Most of those beers use crystal, chocolate, or other malts to produce the color and flavor.
He who drinks beer sleeps well. He who sleeps well cannot sin. He who does not sin goes to heaven.
Another HERMS rig...