Black grey vs Rain Cloud
Where Black grey belongs to RAL Classic's range, Rain Cloud is a Sherwin-Williams color. These are both blue-greys, so the question isn't which hue to choose — it's where within blue-grey to land. Rain Cloud (LRV 11) reflects noticeably more light than Black grey (LRV 6), a difference of 5 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 20.3, 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.
Black grey vs Rain Cloud in Real Spaces
1 real room side by side. Seeing Black grey and Rain Cloud in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Front Door
A front door is a focal point — small color differences read clearly at this concentrated scale. The brightness difference is modest but present — Rain Cloud gives the walls a little more lift.
Color Details
Black grey vs Rain Cloud Simulated Comparison
5 simulated room previews — drag the slider on each to see Black grey on one side and Rain Cloud 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.










































