The phrase "white backsplash" refers to a white-colored protective surface that is installed on the wall behind a sink or stove in a kitchen. It is used to make the area easier to clean and adds a decorative touch to the space. Full definition
Features: white cabinets stainless steel appliances and an island flat - panel cabinets white backsplash. (thesinglenester.com)
BUT, after further consideration, I do like the idea of adding more contrast instead of the (admittedly) common white wall, white countertop, white backsplash combination. (theeverygirl.com)