How does Sapphire Splendour by Dulux compare with BS 4800’s closest paints? The nearest match is BS 4800 Duchess blue (ΔE 3.5, “very close”). 1 more BS 4800 colour sit within ΔE 4 — close enough that the difference is hard to spot once paint’s on the wall.
Dulux Sapphire Splendour vs BS 4800
2 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 |
|---|---|---|---|---|---|
| Duchess blue | No.20 C 40 | 3.5 | very close | — | — |
| Raven | No.18 B 29 | 3.8 | very close | — | — |