Ashland Slate vs Thames Fog
Where Ashland Slate belongs to Benjamin Moore's range, Thames Fog is a Valspar color. These are both greys, so the question isn't which hue to choose — it's where within grey to land. Thames Fog (LRV 27) reflects noticeably more light than Ashland Slate (LRV 16), a difference of 11 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 17.4, 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.
Ashland Slate vs Thames Fog in Real Spaces
2 real rooms side by side. Seeing Ashland Slate 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 Ashland Slate.
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 Ashland Slate.
Color Details
Ashland Slate vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Ashland Slate 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 Ashland Slate comparisons
See how Ashland Slate stacks up against other well-photographed colors across different brands and tones.
