Black grey vs Ironclad
Where Black grey belongs to RAL Classic's range, Ironclad is a Sherwin-Williams color. Black grey reads as blue-grey, while Ironclad reads as grey — two distinct hue families, not close cousins. Ironclad (LRV 11) reflects noticeably more light than Black grey (LRV 6), a difference of 4 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 19.9, 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 Ironclad in Real Spaces
1 real room side by side. Seeing Black grey and Ironclad in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
House
Seen across an entire facade, subtle tonal differences become pronounced. What reads as nearly the same on a chip often reads as clearly different at scale. Ironclad reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Black grey vs Ironclad Simulated Comparison
5 simulated room previews — drag the slider on each to see Black grey on one side and Ironclad 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.
