Mountain Moss vs Thames Fog
Mountain Moss (Dulux) and Thames Fog (Valspar) come from different manufacturers. Hue-wise, Mountain Moss belongs to the beige-yellow family and Thames Fog to the grey family. Their light reflectance values are nearly the same — 26 vs 27 — so neither will read significantly brighter or darker than the other. A ΔE of 35.8 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Mountain Moss vs Thames Fog in Real Spaces
1 real room side by side. Seeing Mountain Moss 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.
Dining Room
Dining rooms often rely on warm incandescent or candlelight, which flatters warm undertones and mutes cool ones. 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
Mountain Moss vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Mountain Moss 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 Mountain Moss comparisons
See how Mountain Moss stacks up against other well-photographed colors across different brands and tones.
