Dark wallpaper like heavy
charcoal cotton paper.
Visible fibre, faint deckled
edge at the bottom, slight
vignette, no graphic element
at all.

Dark Paper Texture Wallpaper

Just paper, dark enough to sit under anything.

Prompt

Generate a dark wallpaper that looks like heavy charcoal-grey cotton paper: visible fibre, a faint deckled edge at the bottom, a very slight vignette, and no graphic element whatsoever.