How do you keep track of the right and wrong side of fabric when the two look the same? Sometimes one side is slightly lighter, but what if it isn't? Do you mark which was inside the fold when the fabric was on the bolt? I've gone crazy, trying to keep track of which side is which!!!

Does it really matter? Is there actually a "wrong" side if both look the same?

Sometimes I use the 'wrong' side of the fabric because it looks better in the quilt I'm making.

If it's a solid woven, there may not be a difference, so you can use either side.

If it's a white on white, get a nice bright light to see the difference!

I can't tell the difference because of my eyesight. So I am no help. But it is a good question. :)

Usually, if the fibers are dyed before weaving, there isn't really a right (face) or wrong (back) side to the fabric.

Another way to differentiate between sides is the look at two pieces side by side in good light is there a change in color?

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Yes, I've done that as well.......when there is a difference.
With some fabrics it seems I spend more time matching than sewing and then when they're all "right" side up, I'm always worried I'll switch one by accident.

My home ec teacher taught us to draw a big "X" on the reverse side before cutting, but we never sewed quilts with little bits. No quilts period, for that matter!

If I have to struggle to see the difference....It doesn't matter to me. My quilts are not show quality and I'm not a perfectionist. Do what seems right to you:)

I always figure, if I can't tell the difference, neither can anyone else! :)

Me, too. I'm working with 18 different fabrics in my quilt right now and can only tell on about 3. I have decided that it just doesn't matter.