Colonnade Gray vs Viaduct
Both from Sherwin-Williams's palette. Both sit in the greige-grey family, which is useful context if you're narrowing within a single hue direction. Colonnade Gray (LRV 53) reflects noticeably more light than Viaduct (LRV 50), a difference of 3 points that becomes especially apparent in rooms with limited natural light. Both lean warm, so they'll behave similarly in mixed or changing light conditions. At ΔE 1.9, these are close — the kind of difference that matters when choosing between them, but doesn't read strongly in a finished room. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Colonnade Gray vs Viaduct Simulated Comparison
5 simulated room previews — drag the slider on each to see Colonnade Gray on one side and Viaduct on the other.
Digital color is approximate. These simulations are generated from the manufacturer's hex values and overlaid on grayscale room photos — your screen's calibration, brightness, and viewing angle all affect how they render. Before committing to either color, test physical samples in your own space under the light you actually live with.
More Colonnade Gray comparisons
See how Colonnade Gray stacks up against other well-photographed colors across different brands and tones.
