He won't suspect a thing

found on Reddit

I could see hiding packages from porch pirates, but hiding them from an occupant represents a much different threat model. In the event that you really need to hide packages from your husband, it might be better to use a strategy that focuses on you retrieving them before your husband has a chance to become aware of them rather than hoping the delivery person finds a good hiding spot that you can find but your husband can't. 

Not so secret entrance

found on Acid Cow

Someone is going to have to do a better job of hiding their secret doors.

You won't need a doorbell after this

found on Acid Cow

You'll either hear your visitors groaning about getting Rick Rolled or, if their phone is loud enough, you might even hear the opening of the song itself. Who needs a doorbell after that?

No one will think to look under there

found on Imgur

On the plus side, it is very close to the same colour as the mat, so you might argue that it legitimately is blending in. However, considering the relative sizes, I think it would be more accurate to say the door mat is blending into the package rather than the other way around.

Anything small enough to convincingly hide under the door mat would be better off going through a mail slot or going into a mail box. If you want to stop porch pirates from stealing something that big, trying to hid it isn't a good option.