mu.svg 319 Bytes
<svg xmlns="http://www.w3.org/2000/svg" id="flag-icon-css-mu" viewBox="0 0 640 480">
  <g fill-rule="evenodd">
    <path fill="#00a04d" d="M0 360h640v120H0z"/>
    <path fill="#151f6d" d="M0 120h640v120H0z"/>
    <path fill="#ee2737" d="M0 0h640v120H0z"/>
    <path fill="#ffcd00" d="M0 240h640v120H0z"/>
  </g>
</svg>