sl.svg 275 Bytes
<svg xmlns="http://www.w3.org/2000/svg" id="flag-icon-css-sl" viewBox="0 0 640 480">
  <g fill-rule="evenodd">
    <path fill="#0000cd" d="M0 320.3h640V480H0z"/>
    <path fill="#fff" d="M0 160.7h640v159.6H0z"/>
    <path fill="#00cd00" d="M0 0h640v160.7H0z"/>
  </g>
</svg>