I am making a quilt for my daughter and her new husband. It has both light and dark purple along with white however, I am using black muslin for the backing to make it a little more "manly" for the new hubby. What color thread should I use to quilt it? Again, the center is white with embroidered wedding date, then surrounded by white with purple accents on to darker and darker shades of purple but even the dark colors have flowers on them so that is why I am "manning" it up with the black backing. Can you advise? Keep in mind I am just learning FMQ and would like to stipple it on my regular home sewing Kenmore.