Steel Symphony 1 vs Treron
Where Steel Symphony 1 belongs to Dulux's range, Treron is a Farrow & Ball color. Steel Symphony 1 reads as blue-grey, while Treron reads as greige-grey — two distinct hue families, not close cousins. Treron (LRV 25) reflects noticeably more light than Steel Symphony 1 (LRV 17), a difference of 8 points that becomes especially apparent in rooms with limited natural light. Steel Symphony 1 runs cool while Treron is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 21.2, 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 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Steel Symphony 1 vs Treron in Real Spaces
3 real rooms side by side. Seeing Steel Symphony 1 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 brightness difference is modest but present — Treron gives the walls a little more lift.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Treron reads slightly lighter here — a subtle but real difference in how open the space feels.
Dining Room
A dining room lit by a dimmed pendant or candles is one of the most forgiving environments for paint — warm light softens almost everything. Treron has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
Steel Symphony 1 vs Treron Simulated Comparison
5 simulated room previews — drag the slider on each to see Steel Symphony 1 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 1 comparisons
See how Steel Symphony 1 stacks up against other well-photographed colors across different brands and tones.
