Ironclad vs Viaduct

Both are Sherwin-Williams colors. Hue-wise, Ironclad belongs to the grey family and Viaduct to the greige-grey family. At LRV 50 vs 11, Viaduct will read as the brighter of the two — a 39-point gap that matters most in north-facing or low-light rooms. The tonal difference — Ironclad's neutral character against Viaduct's warm — becomes most visible against white trim or in morning light. At ΔE 36.8, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.