How does Green Blue by Farrow & Ball compare with Johnstone's’s closest paints? The nearest match by perceptual distance is Johnstone's Pine Whisper (ΔE 0.3, “identical”). 6 more Johnstone's colours sit within ΔE 4 — close enough that the difference is hard to spot once paint’s on the wall. Prices for these 7 Johnstone's paints range from £6.14 to £12.36 per litre, against Farrow & Ball Green Blue at £25.60/L.
Farrow & Ball Green Blue vs Johnstone's
7 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 |
|---|---|---|---|---|---|
| Pine Whisper | — | 0.3 | identical | £12.36 | £2.06 |
| Spring Rosemary | — | 1.1 | near-identical | £6.14 | £1.02 |
| Aquamarine Dream | — | 1.4 | near-identical | £12.36 | £2.06 |
| Misty Jungle | — | 2.6 | near-identical | £12.36 | £2.06 |
| Crystal Oasis | — | 2.9 | near-identical | £12.36 | £2.06 |
| Antique Sage | — | 3.1 | very close | £6.14 | £1.02 |
| Cucumber Ice | — | 3.2 | very close | £12.36 | £2.06 |