Steel Symphony 5 vs Telegrey 4
Steel Symphony 5 (Dulux) and Telegrey 4 (RAL Classic) come from different manufacturers. Steel Symphony 5 reads as blue-grey, while Telegrey 4 reads as grey — two distinct hue families, not close cousins. The 4-point LRV gap — 63 for Steel Symphony 5 vs 59 for Telegrey 4 — means Steel Symphony 5 will open up a space more effectively. ΔE 4.1 means they're clearly different, but not dramatically so — they'd pair well in the same room. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Steel Symphony 5 vs Telegrey 4 Simulated Comparison
5 simulated room previews — drag the slider on each to see Steel Symphony 5 on one side and Telegrey 4 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.







































