Polywash is available for order in the Scraffito and Embossed series. Two colors are used in the Polywash technique; the accent underglaze color which recedes into the carved line and the overglaze color, which covers the entire surface of the tile. There are a total of 16 accent colors to choose from. Any of the existing Watercolor Glazes can be used for the overglaze color. Using lighter Watercolors for the overglaze shows the contrasting underglaze details more clearly. The palettes below show how some of our most popular watercolors react with the different accent colors. Watercolor glazes are not recommended for use on floors and kitchen counters.