Rough concrete textures, industrial grey tones, weathered steel beams, exposed ductwork, brutalist architecture, raw unfinished surfaces, urban decay, abandoned factories, distressed brick walls, crumbling plaster, faded graffiti, rusty metal accents, worn wooden planks, neglected alleys, bleak cityscapes, overcast skies, dramatic shadows, high contrast lighting, cinematic atmosphere.Please note that this is just one possible interpretation of a color palette for Brutalism, and there are many other directions that could be taken depending on the specific vision and goals of the project.