Change the color scheme of the master bath or kitchen backsplash with grey color tiles. Choose a simple single color tile to add to a room already rich with decor or a detailed grey-patterned tile to start a new look. Overstock.com carries the SomerTile and Bedrosians brands to provide long-lasting quality and value. Some tiles feature peel and stick backing to make installation a cinch without the need to purchase adhesives. Look for grey color tiles in packs of 12, 25, 32, and other numbers to have enough materials on hand to complete the job without the need for more. Select a patterned tile with part of the picture on each tile to make a larger image and style statement on the floor or wall.