Classic French Gray vs Thames Fog
Classic French Gray is a Sherwin-Williams 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 24, Thames Fog will read as the brighter of the two — a 3-point gap that matters most in north-facing or low-light rooms. At ΔE 6.0, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Classic French Gray vs Thames Fog in Real Spaces
1 real room side by side. Classic French Gray and Thames Fog are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Kitchen Cabinets
On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The brightness difference is modest but present — Thames Fog gives the walls a little more lift.
Color Details
Classic French Gray vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Classic French Gray 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 Classic French Gray comparisons
See how Classic French Gray stacks up against other well-photographed colors across different brands and tones.
