Gettysburg Gray vs Thames Fog
Where Gettysburg Gray belongs to Benjamin Moore's range, Thames Fog is a Valspar color. Hue-wise, Gettysburg Gray belongs to the greige-grey family and Thames Fog to the grey family. Gettysburg Gray (LRV 31) reflects noticeably more light than Thames Fog (LRV 27), a difference of 4 points that becomes especially apparent in rooms with limited natural light. The ΔE 4.0 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Gettysburg Gray vs Thames Fog in Real Spaces
2 real rooms side by side. Gettysburg 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.
Living Room
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The brightness difference is modest but present — Gettysburg Gray gives the walls a little more lift.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Gettysburg Gray reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Gettysburg Gray vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Gettysburg 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 Gettysburg Gray comparisons
See how Gettysburg Gray stacks up against other well-photographed colors across different brands and tones.
