How does Tartan blue (No.18 E 53) by BS 4800 compare with Dulux’s closest paints? The nearest match by perceptual distance is Dulux Azure Fusion 3 (ΔE 2.4, “near-identical”). 5 more Dulux colours sit within ΔE 4 — close enough that the difference is hard to spot once paint’s on the wall. These 6 Dulux paints are all priced at £10.20 per litre.
BS 4800 Tartan blue vs Dulux
6 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 |
|---|---|---|---|---|---|
| Azure Fusion 3 | — | 2.4 | near-identical | £10.20 | £1.57 |
| Luna Landscape 2 | — | 3.4 | very close | £10.20 | £1.57 |
| Woad Walk | — | 3.4 | very close | £10.20 | £1.57 |
| Celestial Blue 4 | — | 3.5 | very close | £10.20 | £1.57 |
| Celestial Blue 3 | — | 3.7 | very close | £10.20 | £1.57 |
| Amazon Beat 2 | — | 3.8 | very close | £10.20 | £1.57 |