Let it Rain vs Serious Gray
Let it Rain and Serious Gray come from the same Sherwin-Williams collection. Both sit in the blue-grey family, which is useful context if you're narrowing within a single hue direction. The 12-point LRV gap — 34 for Let it Rain vs 23 for Serious Gray — means Let it Rain will open up a space more effectively. Both share a neutral character, which means they'll respond to light and surrounding materials in similar ways. A ΔE of 10.3 puts these firmly in different territory — two distinct design choices rather than close alternatives. 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 Serious Gray in Real Spaces
1 real room side by side. Seeing Let it Rain and Serious Gray in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
House
A full exterior is the most demanding test for a paint color — scale and outdoor light both amplify differences that seem small on a swatch. Let it Rain returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Let it Rain vs Serious Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Let it Rain on one side and Serious Gray 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.