River Gorge Gray vs Thames Fog
Where River Gorge Gray belongs to Benjamin Moore's range, Thames Fog is a Valspar color. Hue-wise, River Gorge Gray belongs to the greige-grey family and Thames Fog to the grey family. River Gorge Gray (LRV 33) reflects noticeably more light than Thames Fog (LRV 27), a difference of 5 points that becomes especially apparent in rooms with limited natural light. The ΔE 5.4 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
River Gorge Gray vs Thames Fog in Real Spaces
1 real room side by side. River Gorge 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 — River Gorge Gray gives the walls a little more lift.
Color Details
River Gorge Gray vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see River Gorge 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 River Gorge Gray comparisons
See how River Gorge Gray stacks up against other well-photographed colors across different brands and tones.
