Black grey vs Let it Rain
Black grey (RAL Classic) and Let it Rain (Sherwin-Williams) come from different manufacturers. Both sit in the blue-grey family, which is useful context if you're narrowing within a single hue direction. The 28-point LRV gap — 34 for Let it Rain vs 6 for Black grey — means Let it Rain will open up a space more effectively. A ΔE of 44.5 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Black grey vs Let it Rain in Real Spaces
2 real rooms side by side. Seeing Black grey and Let it Rain 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.
Front Door
On a front door, the color is both the first and last thing you see — a context where even a modest tonal difference reads clearly. Let it Rain reflects noticeably more light off the walls, making the space read more open than Black grey.
Color Details
Black grey vs Let it Rain Simulated Comparison
5 simulated room previews — drag the slider on each to see Black grey on one side and Let it Rain 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 Black grey comparisons
See how Black grey stacks up against other well-photographed colors across different brands and tones.
