Stash Busting

It's stash busting time!!! I had some fabric left over from when I made a blue cot quilt for a friend... So.. I have put together 2 cot quilt tops from this fabric. The question now is... do I hand dye some backing fabric using Low Immersion Water Dyeing and hope I match the colours or do I go and buy some commercially printed fabric for the backing fabric? Any ideas?