Oh, our members are smart, there are great descriptions here!
Here is a link with more good blenders......also known as basics, coordinates, tonals, "reads as...", or tone-on-tones.
http://www.pbtex.com/bearessentials2/
P & B fabrics are not found everywhere and it's too bad, because they are good quality fabrics. I sold tons of them in my shop in Texas because we had a distribution center there. Mr Bear was a dear man who was beloved and active in the quilt industry until his death a few years ago, he is missed.
Jan in VA