Cedar Mountains vs Thames Fog
Cedar Mountains (Benjamin Moore) and Thames Fog (Valspar) come from different manufacturers. Hue-wise, Cedar Mountains belongs to the green-grey family and Thames Fog to the grey family. The 4-point LRV gap — 27 for Thames Fog vs 24 for Cedar Mountains — means Thames Fog will open up a space more effectively. A ΔE of 10.0 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Cedar Mountains vs Thames Fog in Real Spaces
3 real rooms side by side. Seeing Cedar Mountains and Thames Fog in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. Thames Fog reads slightly lighter here — a subtle but real difference in how open the space feels.
Dining Room
Dining rooms often rely on warm incandescent or candlelight, which flatters warm undertones and mutes cool ones. The brightness difference is modest but present — Thames Fog gives the walls a little more lift.
Kitchen Cabinets
Cabinet color is always seen in context — against countertops, backsplash, and hardware — which amplifies undertone differences that might disappear on a plain wall. Thames Fog has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
Cedar Mountains vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Cedar Mountains 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 Cedar Mountains comparisons
See how Cedar Mountains stacks up against other well-photographed colors across different brands and tones.
