😆. Indeed. Was the original color of the door to that room red?
The cost of lighting had to be high. Oil for lamps was expensive. No windows. I don’t think glass windows had been invented yet, but without any source of natural light, lamps had to be used most of the time anyone was in the room.
:^) They did use a lot of red trim at least, in their frescoed walls.
https://www.google.com/search?q=bedroom+of+augustus