Let it Rain vs Warm Stone
Both from Sherwin-Williams's palette. Hue-wise, Let it Rain belongs to the blue-grey family and Warm Stone to the greige-grey family. Let it Rain (LRV 34) reflects noticeably more light than Warm Stone (LRV 20), a difference of 14 points that becomes especially apparent in rooms with limited natural light. Let it Rain runs neutral while Warm Stone is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 19.4, 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 Warm Stone in Real Spaces
1 real room side by side. Seeing Let it Rain and Warm Stone 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 reflects noticeably more light off the walls, making the space read more open than Warm Stone.
Color Details
Let it Rain vs Warm Stone Simulated Comparison
5 simulated room previews — drag the slider on each to see Let it Rain on one side and Warm Stone 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.