Cotton White vs Thames Fog
Where Cotton White belongs to Sherwin-Williams's range, Thames Fog is a Valspar color. Hue-wise, Cotton White belongs to the beige-white family and Thames Fog to the grey family. Cotton White (LRV 87) reflects noticeably more light than Thames Fog (LRV 27), a difference of 60 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 35.6, 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.
Cotton White vs Thames Fog in Real Spaces
2 real rooms side by side. Seeing Cotton White 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. Cotton White reflects noticeably more light off the walls, making the space read more open than Thames Fog.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Cotton White reflects noticeably more light off the walls, making the space read more open than Thames Fog.
Color Details
Cotton White vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Cotton White 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 Cotton White comparisons
See how Cotton White stacks up against other well-photographed colors across different brands and tones.
