Decor White vs Thames Fog
Where Decor White belongs to Sherwin-Williams's range, Thames Fog is a Valspar color. Hue-wise, Decor White belongs to the beige-white family and Thames Fog to the grey family. Decor White (LRV 79) reflects noticeably more light than Thames Fog (LRV 27), a difference of 52 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 32.7, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Decor White vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Decor 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 Decor White comparisons
See how Decor White stacks up against other well-photographed colors across different brands and tones.
