A corner light revealed him only as a passing shade of blackness against a dingy wall.

It's too dark to tell if they've painted the corridor since then, but my guess would be no from the state of the dingy walls.

Staring all day at four dingy walls, his humor threshold is low.

The dingy walls looked as if they hadn't been painted since the turn of the century, and even then only in government-issue pale green.

His phone was clinging to a dingy wall in the kitchen, which he hadn't gotten around to repainting yet.

Only the dirt floor remained, and dingy walls rising to the roof.

Around the dingy walls were a dozen tables, the ends next to the wall.

Hazy light spilled across a dingy plastered wall when the door opened.

And as they drew closer to the light, a splatter of blood against the dingy wall.

Each step echoed, ringing off the dingy white walls between which the man walked.