allpaintcolours.co.ukHow does Blue (No.20 E 53) by BS 4800 compare with Dulux’s closest paints? The nearest match is Dulux Royal Regatta 3 (ΔE 1.9, “near-identical”). 2 more Dulux colours sit within ΔE 4 — close enough that the difference is hard to spot once paint’s on the wall. These 3 Dulux paints are all priced at £14.40 per litre.
BS 4800 Blue vs Dulux
Now inside your AI toolConnect free →3 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 |
|---|---|---|---|---|---|
| Royal Regatta 3 | — | 1.9 | near-identical | £14.40 | £2.22 |
| Blue Seduction 1 | — | 3.9 | very close | £14.40 | £2.22 |
| Sapphire Springs 4 | — | 3.9 | very close | £14.40 | £2.22 |
Compare Blue with another brand
Full BS 4800 → Dulux conversion chart — every colour's nearest equivalent