<svg xmlns="http://www.w3.org/2000/svg" id="flag-icons-mq" viewBox="0 0 512 512">
<path fill="#231f1e" d="M0 0h512v512H0z"/>
<path fill="#00a650" d="M0 0h512v256H0z"/>
<path fill="#ef1923" d="M256 256 0 512V0z"/>
</svg>