How does Grey Steel 1 by Dulux compare with RAL Classic’s closest paints? The nearest match is RAL Classic Telegrey 1 (ΔE 0.9, “identical”). 1 more RAL Classic colour sit within ΔE 4 — close enough that the difference is hard to spot once paint’s on the wall.
Dulux Grey Steel 1 vs RAL Classic
Now inside your AI toolConnect free →3 closest RAL Classic matches ranked by ΔE
ΔE (CIEDE2000) is a perceptual distance metric — lower means a closer match. Matches under ΔE 2 are typically indistinguishable; ΔE 2–4 looks “the same” once dry on a wall; ΔE 4–6 is noticeable side-by-side. Always view a sample pot before committing — screen colours and lighting vary.
| Colour | Number | ΔE | Match quality | Price/L | Price/m2 |
|---|---|---|---|---|---|
| Telegrey 1 | No.7045 | 0.9 | identical | — | — |
| Grey aluminium | No.9007 | 0.9 | identical | — | — |
| Pearl light grey | No.9022 | 4.1 | very close | — | — |
Full Dulux → RAL Classic conversion chart — every colour's nearest equivalent