Steel Symphony 5 vs Treron
Where Steel Symphony 5 belongs to Dulux's range, Treron is a Farrow & Ball color. Steel Symphony 5 reads as blue-grey, while Treron reads as greige-grey — two distinct hue families, not close cousins. Steel Symphony 5 (LRV 63) reflects noticeably more light than Treron (LRV 25), a difference of 38 points that becomes especially apparent in rooms with limited natural light. Steel Symphony 5 runs cool while Treron is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 29.1, 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.
Steel Symphony 5 vs Treron in Real Spaces
1 real room side by side. Seeing Steel Symphony 5 and Treron 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 LRV gap is large enough that Steel Symphony 5 will make the room feel meaningfully brighter than Treron would.
Color Details
Steel Symphony 5 vs Treron Simulated Comparison
5 simulated room previews — drag the slider on each to see Steel Symphony 5 on one side and Treron 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 5 comparisons
See how Steel Symphony 5 stacks up against other well-photographed colors across different brands and tones.
