Originally Posted by sharon b
I would contact them and give them a chance to fix the mistake.
I agree with trupeach and sharon b. When we give them the benefit of the doubt they are more likely to work with you to make it right. Putting them of the defensive will only make it worse.
EH hmm :: I'd be willing to bet that the "wrong" red would go very well with something that you already have in your great stash. Chalk that one up to experience and keep it for another quilt. Good luck. Can't wait to see the finished quilt.