Steep Cliff Gray vs Neptune Seas
Steep Cliff Gray (Benjamin Moore) and Neptune Seas (Dulux) come from different manufacturers. These are both blue-greys, so the question isn't which hue to choose — it's where within blue-grey to land. Their light reflectance values are nearly the same — 21 vs 19 — so neither will read significantly brighter or darker than the other. Where Steep Cliff Gray leans blue, Neptune Seas reads cool — a distinction that shifts noticeably depending on the light source and surrounding finishes. ΔE 4.2 means they're clearly different, but not dramatically so — they'd pair well in the same room. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Steep Cliff Gray vs Neptune Seas in Real Spaces
2 real rooms side by side. Steep Cliff Gray and Neptune Seas 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.
Living Room
A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. Neptune Seas brings more warmth to the space, while Steep Cliff Gray keeps things cooler and crisper.
Dining Room
Dining rooms often rely on warm incandescent or candlelight, which flatters warm undertones and mutes cool ones. The temperature contrast between Neptune Seas and Steep Cliff Gray is what sets these apart most in this context.
Color Details
Steep Cliff Gray vs Neptune Seas Simulated Comparison
5 simulated room previews — drag the slider on each to see Steep Cliff Gray on one side and Neptune Seas 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 Steep Cliff Gray comparisons
See how Steep Cliff Gray stacks up against other well-photographed colors across different brands and tones.
