<svg xmlns="http://www.w3.org/2000/svg" id="flag-icons-sc" viewBox="0 0 640 480">
  <defs>
    <clipPath id="sc-a">
      <path fill-opacity=".7" d="M0 0h682.7v512H0z"/>
    </clipPath>
  </defs>
  <g fill-rule="evenodd" stroke-width="1pt" clip-path="url(#sc-a)" transform="scale(.9375)">
    <path fill="red" d="M0 0h992.1v512H0z"/>
    <path fill="#090" d="m0 512 992.1-170.7V512H0z"/>
    <path fill="#fff" d="m0 512 992.1-341.3v170.6L0 512z"/>
    <path fill="#009" d="M0 512V0h330.7L0 512z"/>
    <path fill="#ff0" d="M0 512 330.7 0h330.7L0 512z"/>
  </g>
</svg>