London Fog vs Swirling Smoke
London Fog is a Benjamin Moore color while Swirling Smoke comes from PPG. Both sit in the greige-grey family, which is useful context if you're narrowing within a single hue direction. At LRV 60 vs 56, Swirling Smoke will read as the brighter of the two — a 4-point gap that matters most in north-facing or low-light rooms. With a ΔE of 1.2, the difference is subtle — you'd need them side by side to reliably tell them apart. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
London Fog vs Swirling Smoke Simulated Comparison
5 simulated room previews — drag the slider on each to see London Fog on one side and Swirling Smoke 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 London Fog comparisons
See how London Fog stacks up against other well-photographed colors across different brands and tones.
