How does Corvette blue (No.18 C 35) by BS 4800 compare with Johnstone's’s closest paints? The nearest match by perceptual distance is Johnstone's Blue By You (ΔE 2.5, “near-identical”).
BS 4800 Corvette blue vs Johnstone's
1 closest Johnstone's 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 |
|---|---|---|---|---|---|
| Blue By You | — | 2.5 | near-identical | £12.36 | £2.06 |