make only the existing copper colored architectural elements significantly darker transforming their current bright copper tone into a rich deep chocolate brown the color must be clearly chocolate brown not black or nearly black maintain a visible warm brown tone similar to dark chocolate with subtle satin metallic reflections avoid black charcoal graphite grey overly dark shadows orange reddish copper tones or bronze finishes the elements should appear elegant warm and sophisticated with a rich chocolate brown color that remains clearly recognizable even in shaded areas critical instructions change only the existing copper colored elements preserve their original material character and subtle metallic finish do not turn the elements black even in shadow keep all concrete elements exactly as they are with their original warm off white beige color and natural texture do not modify the glass facade geometry architectural details lighting or any other materials this is strictly a selective color adjustment not a redesign the final result must show a clear contrast between the warm light architectural concrete and the rich chocolate brown metallic elements
