Ambler Slate vs Forged Steel
Ambler Slate is a Benjamin Moore color while Forged Steel comes from Sherwin-Williams. These are both greys, so the question isn't which hue to choose — it's where within grey to land. With LRVs of 12 and 10, they'll behave almost identically in terms of how much light they reflect back into a room. The tonal difference — Ambler Slate's blue character against Forged Steel's neutral — becomes most visible against white trim or in morning light. With a ΔE of 2.2, the difference is subtle — you'd need them side by side to reliably tell them apart. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Ambler Slate vs Forged Steel in Real Spaces
2 real rooms side by side. Ambler Slate and Forged Steel are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
House
At full exterior scale, the difference between these two colors becomes much easier to judge than from a small chip. The two are close enough that the choice comes down to finer qualities — undertone, texture, what the color sits next to.
Front Door
Front doors are seen in isolation against the rest of the facade, which makes them a high-stakes surface where even subtle differences matter. In photos like these you're seeing the difference at its most direct. In a finished room, the distinction is there but not dramatic.
Color Details
Ambler Slate vs Forged Steel Simulated Comparison
5 simulated room previews — drag the slider on each to see Ambler Slate on one side and Forged Steel 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 Ambler Slate comparisons
See how Ambler Slate stacks up against other well-photographed colors across different brands and tones.












































