Steel Symphony 1 vs Agreeable Gray
Steel Symphony 1 (Dulux) and Agreeable Gray (Sherwin-Williams) come from different manufacturers. Steel Symphony 1 reads as blue-grey, while Agreeable Gray reads as greige-grey — two distinct hue families, not close cousins. The 43-point LRV gap — 60 for Agreeable Gray vs 17 for Steel Symphony 1 — means Agreeable Gray will open up a space more effectively. Where Steel Symphony 1 leans cool, Agreeable Gray reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 37.6 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Steel Symphony 1 vs Agreeable Gray in Real Spaces
3 real rooms side by side. Seeing Steel Symphony 1 and Agreeable Gray 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
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. Agreeable Gray reflects noticeably more light off the walls, making the space read more open than Steel Symphony 1.
Bedroom
Bedrooms are typically lit with warmer, lower light than the rest of the house — a condition that flatters warm tones and deepens cool ones. Agreeable Gray returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Dining Room
Dining rooms often rely on warm incandescent or candlelight, which flatters warm undertones and mutes cool ones. The LRV gap is large enough that Agreeable Gray will make the room feel meaningfully brighter than Steel Symphony 1 would.
Color Details
Steel Symphony 1 vs Agreeable Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Steel Symphony 1 on one side and Agreeable Gray 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 Steel Symphony 1 comparisons
See how Steel Symphony 1 stacks up against other well-photographed colors across different brands and tones.
