Greige Subway Tile Backsplash Kitchen . The birmingham 4 x 8 ceramic subway tile is a glazed ceramic tile that offers a modern approach to traditional geometric tiles. It is generally 3 by 6 in size and used horizontally. Smoke Glass Subway Tile Subway tile backsplash, Subway tiles and Smoking from www.pinterest.com White, off white or cream tile backsplash in almost any shape that suits your kitchen. Mix with darker brown glass and ivory insets to create dramatic focal appeal for designer kitchens. White subway tile backsplash color and beyond.