Filler for tiled floor

[Lockdownmummy]

We have a tiled floor in the porch and a couple were removed when we had a new front door put in.

We don't have any spare tiles or the ability to cut and replace anyway! What would be best to fill a tile-sized hole? Just need it to look neat rather than match.

Thanks!

You could just fill it with tile adhesive or grout if you just want a flush finish? Or you could get creative and do a mosaic so it looks deliberate? Maybe a welcome mat style thing?