How does Portland Stone (No.3) by Little Greene compare with BS 4800’s closest paints? The nearest match by perceptual distance is BS 4800 Green Mist (ΔE 2.1, “near-identical”). 1 more BS 4800 colour sit within ΔE 4 — close enough that the difference is hard to spot once paint’s on the wall.
Little Greene Portland Stone vs BS 4800
2 closest BS 4800 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 |
|---|---|---|---|---|---|
| Green Mist | No.12 B 17 | 2.1 | near-identical | — | — |
| Oatmeal | No.10 B 17 | 2.2 | near-identical | — | — |