I like Tartan's reply. Several years ago I was making a very "scrappy" quilt, with fabrics chosen by my family to correspond to their family "colors", which were: Yellow, Red, Navy Blue, Teal, Black, Orange, Purple, and Green. When I went to the quilt shop to find a border fabric, I chose a small charcoal grey print fabric, which was the consensus of the quilters in the shop at the time. When it came time to assemble the quilt, I took another look at the back of the fabric and decided that the more subtle charcoal grey made a much nicer border. You buy two sides to fabric, why not consider both sides when quilting?