scrappy can be as scrappy as you like- some people just have to coordinate no matter what- others can reach in a bag pull out 2 pieces sew them together- grab another- and continue until they have a quilt-
sometimes scraps are sorted into lights and darks-then joined-
what ever suits your fancy will make YOUR SCRAP QUILT.
they all work- and if you put one together- and it doesn't have the spark you want- you can cut it- add white- or black- and bring it to life.
the great thing about scrap quilts---you use up all those scraps- and they pretty much always work out.
abandon everything you've learned about color theory- and make a scrappy quilt!