Number 2, in [#Mantova](https://photog.social/tags/Mantova), [#Italy](https://photog.social/tags/Italy)
That yellow color is called Maria Theresa Yellow, from the 18th Century Austrian Empress. It was widely used on the buildings around her vast Empire, and still is occasionally. The Pantone reference is: Ral 1023.

[#architecture](https://photog.social/tags/architecture) [#coloryellow](https://photog.social/tags/coloryellow) [#yellow](https://photog.social/tags/yellow) [#door](https://photog.social/tags/door) [#omsystem](https://photog.social/tags/omsystem)