<svg xmlns="http://www.w3.org/2000/svg" height="480" width="640" viewBox="0 0 640 480"><g fill-rule="evenodd" stroke-width="1pt"><path fill="red" d="M0 0h213.333v480H0z"/><path fill="#ff0" d="M213.333 0h213.333v480H213.333z"/><path fill="#090" d="M426.666 0H640v480H426.665z"/></g></svg>