How does Roman Plaster (No.3) by Little Greene compare with Johnstone's’s closest paints? The nearest match by perceptual distance is Johnstone's Spiced Vinegar (ΔE 1.7, “near-identical”). 5 more Johnstone's colours sit within ΔE 4 — close enough that the difference is hard to spot once paint’s on the wall. These 6 Johnstone's paints are all priced at £12.36 per litre, against Little Greene Roman Plaster at £28.00/L.
Little Greene Roman Plaster vs Johnstone's
6 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 |
|---|---|---|---|---|---|
| Spiced Vinegar | — | 1.7 | near-identical | £12.36 | £2.06 |
| French Bread | — | 1.8 | near-identical | £12.36 | £2.06 |
| Real Simple | — | 1.8 | near-identical | £12.36 | £2.06 |
| Sea Timber | — | 2.3 | near-identical | £12.36 | £2.06 |
| Subtle Suede | — | 2.3 | near-identical | £12.36 | £2.06 |
| Earthy Cane | — | 2.5 | near-identical | £12.36 | £2.06 |