Let it Rain vs Thames Fog
Where Let it Rain belongs to Sherwin-Williams's range, Thames Fog is a Valspar color. Let it Rain reads as blue-grey, while Thames Fog reads as grey — two distinct hue families, not close cousins. Let it Rain (LRV 34) reflects noticeably more light than Thames Fog (LRV 27), a difference of 7 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 12.8, 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.
Let it Rain vs Thames Fog in Real Spaces
1 real room side by side. Seeing Let it Rain 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.
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. Let it Rain reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Let it Rain vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Let it Rain 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 Let it Rain comparisons
See how Let it Rain stacks up against other well-photographed colors across different brands and tones.
