How does Blue mink (No.18 B 17) by BS 4800 compare with Johnstone's’s closest paints? The nearest match by perceptual distance is Johnstone's Ghost Whisperer (ΔE 0.5, “identical”). 2 more Johnstone's colours sit within ΔE 4 — close enough that the difference is hard to spot once paint’s on the wall. These 3 Johnstone's paints are all priced at £12.36 per litre.
BS 4800 Blue mink vs Johnstone's
3 closest Johnstone's 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 |
|---|---|---|---|---|---|
| Ghost Whisperer | — | 0.5 | identical | £12.36 | £2.06 |
| Tornado | — | 1.4 | near-identical | £12.36 | £2.06 |
| Winter Chill | — | 1.8 | near-identical | £12.36 | £2.06 |