Mountain Ash vs Thames Fog
Where Mountain Ash belongs to Cloverdale Paint'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. Mountain Ash (LRV 40) reflects noticeably more light than Thames Fog (LRV 27), a difference of 12 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 11.7, 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 4 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Mountain Ash vs Thames Fog in Real Spaces
4 real rooms side by side. Seeing Mountain Ash 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
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The LRV gap is large enough that Mountain Ash will make the room feel meaningfully brighter than Thames Fog would.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Mountain Ash reflects noticeably more light off the walls, making the space read more open than Thames Fog.
Dining Room
A dining room lit by a dimmed pendant or candles is one of the most forgiving environments for paint — warm light softens almost everything. Mountain Ash returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
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. Mountain Ash reflects noticeably more light off the walls, making the space read more open than Thames Fog.
Color Details
Mountain Ash vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Mountain Ash 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 Ash comparisons
See how Mountain Ash stacks up against other well-photographed colors across different brands and tones.
