Mineral Gray vs Thames Fog
Where Mineral Gray belongs to Sherwin-Williams's range, Thames Fog is a Valspar color. Hue-wise, Mineral Gray belongs to the blue-grey family and Thames Fog to the grey family. Thames Fog (LRV 27) reflects noticeably more light than Mineral Gray (LRV 9), a difference of 18 points that becomes especially apparent in rooms with limited natural light. With a ΔE of NaN, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Mineral Gray vs Thames Fog in Real Spaces
2 real rooms side by side. Seeing Mineral 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.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. Thames Fog reflects noticeably more light off the walls, making the space read more open than Mineral Gray.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Thames Fog reflects noticeably more light off the walls, making the space read more open than Mineral Gray.
Color Details
Mineral Gray vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Mineral 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 Mineral Gray comparisons
See how Mineral Gray stacks up against other well-photographed colors across different brands and tones.
