I agree w/the ladies who said USE IT - I think the pic looks perfectly OK, I can hardly find what you're talking about anyway - it looks like it was supposed to be that way - kinda a batik effect.
But once you cut it & put it in a quilt w/other fabric colors, I'll bet you will have to look to find any difference.
Good luck & know your quilt will be a beauty - be sure & post pics.