"Contrasting fabric" refers to a type of cloth or material that is different from, and stands out against, the surrounding or matching fabric. Full definition
Add an extra layer of insulation in the living room with a wool door curtain in contrasting fabrics. (idealhome.co.uk)
I'm thinking I've enough for a handbag lining... or you know how I've used contrasting fabric for under collars... I would have enough for that too. (acolourfulcanvas.com)
I added a facing using contrasting fabric... hello gingham... and attached it with the gingham on the outside. (acolourfulcanvas.com)