How does Traffic blue (No.5017) by RAL Classic compare with Dulux’s closest paints? The nearest match is Dulux Honest Indigo (ΔE 2.6, “near-identical”). These 5 Dulux paints are all priced at £14.40 per litre.
RAL Classic Traffic blue vs Dulux
Now inside your AI toolConnect free →5 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 |
|---|---|---|---|---|---|
| Honest Indigo | — | 2.6 | near-identical | £14.40 | £2.22 |
| Oxford Blue (Weathershield) | — | 4.9 | very close | £14.40 | £2.22 |
| Plush Velvet 2 | — | 5.0 | very close | £14.40 | £2.22 |
| Free Groove | — | 6.2 | close | £14.40 | £2.22 |
| Pen Friend | — | 6.2 | close | £14.40 | £2.22 |
Full RAL Classic → Dulux conversion chart — every colour's nearest equivalent