src/resources/images/flags/4x3/mu.svg
<svg xmlns="http://www.w3.org/2000/svg" fill-opacity="14.118" height="480" width="640" fill="#28ff09"><g fill-rule="evenodd" fill-opacity="1"><path fill="#009a00" d="M0 360h640v120H0z"/><path fill="#00f" d="M0 120h640v120H0z"/><path fill="red" d="M0 0h640v120H0z"/><path fill="#ff0" d="M0 240h640v120H0z"/></g></svg>