Quarry Rock vs Thames Fog
Quarry Rock is a Benjamin Moore color while Thames Fog comes from Valspar. These are both greys, so the question isn't which hue to choose — it's where within grey to land. At LRV 27 vs 15, Thames Fog will read as the brighter of the two — a 13-point gap that matters most in north-facing or low-light rooms. At ΔE 16.7, 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.
Color Details
Quarry Rock vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Quarry Rock on one side and Thames Fog 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 Quarry Rock comparisons
See how Quarry Rock stacks up against other well-photographed colors across different brands and tones.
