How does Opal green (No.6026) by RAL Classic compare with Johnstone's’s closest paints? The nearest match by perceptual distance is Johnstone's Empress Teal (ΔE 1.9, “near-identical”). 1 more Johnstone's colour sit within ΔE 4 — close enough that the difference is hard to spot once paint’s on the wall. These 5 Johnstone's paints are all priced at £12.36 per litre.
RAL Classic Opal green vs Johnstone's
5 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 |
|---|---|---|---|---|---|
| Empress Teal | — | 1.9 | near-identical | £12.36 | £2.06 |
| Deep Veridian | — | 2.8 | near-identical | £12.36 | £2.06 |
| Emerald Pool | — | 4.5 | very close | £12.36 | £2.06 |
| Tahitian Treat | — | 4.6 | very close | £12.36 | £2.06 |
| Dusky Jade | — | 5.8 | close | £12.36 | £2.06 |