How does Sea Urchin 5 by Dulux compare with BS 4800’s closest paints? The nearest match is BS 4800 Crystal blue (ΔE 1.6, “near-identical”).
Dulux Sea Urchin 5 vs BS 4800
Now inside your AI toolConnect free →3 closest BS 4800 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 |
|---|---|---|---|---|---|
| Crystal blue | No.18 E 49 | 1.6 | near-identical | — | — |
| Duckegg | No.16 C 33 | 5.1 | close | — | — |
| Glacial green | No.14 C 31 | 5.1 | close | — | — |
Full Dulux → BS 4800 conversion chart — every colour's nearest equivalent