Serious Gray vs Thames Fog
Serious Gray (Sherwin-Williams) and Thames Fog (Valspar) come from different manufacturers. Serious Gray reads as blue-grey, while Thames Fog reads as grey — two distinct hue families, not close cousins. The 5-point LRV gap — 27 for Thames Fog vs 23 for Serious Gray — means Thames Fog will open up a space more effectively. A ΔE of 12.9 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.
Serious Gray vs Thames Fog in Real Spaces
1 real room side by side. Seeing Serious Gray 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.
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
Serious Gray vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Serious 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 Serious Gray comparisons
See how Serious Gray stacks up against other well-photographed colors across different brands and tones.










































