How does French mustard (No.10 D 45) by BS 4800 compare with Dulux’s closest paints? The nearest match by perceptual distance is Dulux Bay Horse (ΔE 1.9, “near-identical”).
BS 4800 French mustard vs Dulux
1 closest Dulux match 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 |
|---|---|---|---|---|---|
| Bay Horse | — | 1.9 | near-identical | £10.20 | £1.57 |