Originally Posted by
paoberle
I think many of us tend to forget, or it never occurs to us, that the bobbin thread and the top thread do not have to be the same color when we are machine quilting.
I know that I wouldn't use a black bobbin on a white top but if my quilt top is colorful, then I use two different threads if I don't want the backing thread to stand out. I have had no problems yet.