Yes. Steel in a guest bedroom creates a sense of quiet, calm formality that many guests appreciate. The dark tone provides strong light filtering for sleep, and the cool, ungendered quality reads as composed and considered rather than personal. Pair with white or cream bedlinen, warm timber furniture, and warm bedside lighting — the contrast between a cool dark curtain and a warm, welcoming bed makes the room feel intentionally prepared. It's a hotel-inspired combination that works.