Choose a print you love Then choose coordinating fabrics from that. On salvage edges there are generally a row of colored circles. Those circles are every color used in that print. If you choose fabrics that match those ( color chips) they will coordinate with your print. Download and print ( or purchase) a color wheel and become familiar with it, learn coordinate and contrast ( contrast in a quilt gives it the Spark that often makes it spectacular. ( like orange with purple - opposites on the color wheel)