Gray Lake vs Thames Fog
Where Gray Lake belongs to Benjamin Moore's range, Thames Fog is a Valspar color. Hue-wise, Gray Lake belongs to the green-grey family and Thames Fog to the grey family. Gray Lake (LRV 79) reflects noticeably more light than Thames Fog (LRV 27), a difference of 51 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 32.6, 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.
Gray Lake vs Thames Fog in Real Spaces
2 real rooms side by side. Seeing Gray Lake 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.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Gray Lake reflects noticeably more light off the walls, making the space read more open than Thames Fog.
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. Gray Lake reflects noticeably more light off the walls, making the space read more open than Thames Fog.
Color Details
Gray Lake vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Gray Lake 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 Gray Lake comparisons
See how Gray Lake stacks up against other well-photographed colors across different brands and tones.












































