Black Opal vs Pewter Green
Where Black Opal belongs to Dulux's range, Pewter Green is a Sherwin-Williams color. Hue-wise, Black Opal belongs to the blue family and Pewter Green to the green-grey family. Pewter Green (LRV 12) reflects noticeably more light than Black Opal (LRV 6), a difference of 6 points that becomes especially apparent in rooms with limited natural light. Black Opal runs cool while Pewter Green is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 25.5, 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 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Black Opal vs Pewter Green in Real Spaces
2 real rooms side by side. Seeing Black Opal and Pewter Green in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The brightness difference is modest but present — Pewter Green gives the walls a little more lift.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. Pewter Green reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Black Opal vs Pewter Green Simulated Comparison
5 simulated room previews — drag the slider on each to see Black Opal on one side and Pewter Green 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 Opal comparisons
See how Black Opal stacks up against other well-photographed colors across different brands and tones.
