Having a look through the filesizes of the SVG logos at https://github.com/edent/SuperTinyIcons

And, yeah, that sounds about right for C++!

@Edent how is four squares 259 bytes

@jackeric

<svg xmlns="http://www.w3.org/2000/svg"
aria-label="Delicious" role="img"
viewBox="0 0 512 512"><path
d="m0 0H512V512H0"
fill="#333"/><path fill="#39F" d="M512 512V0H0"/><path fill="#fff" d="M0 0h256v256H0"/><path fill="#eee" d="M256 256h256v256H256z"/></svg>

Feel free to contribute a smaller version if you can 🙂

SVG namespace