Originally Posted by bearisgray

The darker one looks like one or two things might be going on with it:

It might have gotten pulled off grain during processing - and then when cut perpendicular to the selvage or fold - it was "off"

Then, when it was washed it reverted to its "normal" - a bit like some of us do when the control top pantyhose come off.

OR - it may have been printed a bit off grain.