Stone grey vs Thames Fog
Stone grey is a RAL Classic color while Thames Fog comes from Valspar. Both sit in the grey family, which is useful context if you're narrowing within a single hue direction. With LRVs of 29 and 27, they'll behave almost identically in terms of how much light they reflect back into a room. At ΔE 3.4, 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.
Stone grey vs Thames Fog in Real Spaces
1 real room side by side. Stone grey 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. Side by side like this, the difference is easy to read — which is exactly why seeing them in a real space is more useful than comparing chips.
Color Details
Stone grey vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Stone grey 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 Stone grey comparisons
See how Stone grey stacks up against other well-photographed colors across different brands and tones.
