How does Duchess blue (No.20 C 40) by BS 4800 compare with Mylands’s closest paints? The nearest match by perceptual distance is Mylands Blueprint (ΔE 2.0, “near-identical”).
BS 4800 Duchess blue vs Mylands
1 closest Mylands 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 |
|---|---|---|---|---|---|
| Blueprint | No.No.50 | 2.0 | near-identical | £27.20 | £3.63 |