How does Signal orange (No.2010) by RAL Classic compare with Dulux’s closest paints? The nearest match by perceptual distance is Dulux African Adventure 3 (ΔE 1.6, “near-identical”). 1 more Dulux colour sit within ΔE 4 — close enough that the difference is hard to spot once paint’s on the wall. These 8 Dulux paints are all priced at £10.20 per litre.
RAL Classic Signal orange vs Dulux
8 closest Dulux 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 |
|---|---|---|---|---|---|
| African Adventure 3 | — | 1.6 | near-identical | £10.20 | £1.57 |
| Flame Frenzy 3 | — | 2.5 | near-identical | £10.20 | £1.57 |
| Rocket Fire | — | 4.1 | very close | £10.20 | £1.57 |
| African Adventure 4 | — | 5.0 | very close | £10.20 | £1.57 |
| Flame Frenzy 4 | — | 5.1 | close | £10.20 | £1.57 |
| Auburn Falls 3 | — | 5.2 | close | £10.20 | £1.57 |
| Autumn Fern 1 | — | 5.9 | close | £10.20 | £1.57 |
| Dynamite Red | — | 6.3 | close | £10.20 | £1.57 |