Swiss Brown vs Thames Fog
Where Swiss Brown belongs to Behr's range, Thames Fog is a Valspar color. Hue-wise, Swiss Brown belongs to the greige-grey family and Thames Fog to the grey family. Thames Fog (LRV 27) reflects noticeably more light than Swiss Brown (LRV 12), a difference of 15 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 19.3, 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 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Swiss Brown vs Thames Fog in Real Spaces
1 real room side by side. Seeing Swiss Brown 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.
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. Thames Fog returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Swiss Brown vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Swiss Brown 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 Swiss Brown comparisons
See how Swiss Brown stacks up against other well-photographed colors across different brands and tones.
