How does Ultra Marine Blue by Farrow & Ball compare with Johnstone's’s closest paints? The nearest match by perceptual distance is Johnstone's King's Robe (ΔE 3.9, “very close”). These 3 Johnstone's paints are all priced at £12.36 per litre, against Farrow & Ball Ultra Marine Blue at £25.60/L.
Farrow & Ball Ultra Marine Blue 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 |
|---|---|---|---|---|---|
| King's Robe | — | 3.9 | very close | £12.36 | £2.06 |
| Cenote | — | 4.2 | very close | £12.36 | £2.06 |
| Cornflower Garland | — | 4.5 | very close | £12.36 | £2.06 |