How does Signal violet (No.4008) by RAL Classic compare with Johnstone's’s closest paints? The nearest match by perceptual distance is Johnstone's Raspberry Cocktail (ΔE 4.0, “very close”). These 4 Johnstone's paints are all priced at £12.36 per litre.
RAL Classic Signal violet vs Johnstone's
4 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 |
|---|---|---|---|---|---|
| Raspberry Cocktail | — | 4.0 | very close | £12.36 | £2.06 |
| Bermuda Onion | — | 4.5 | very close | £12.36 | £2.06 |
| Purple Punch | — | 5.6 | close | £12.36 | £2.06 |
| Tutti Frutti | — | 6.5 | close | £12.36 | £2.06 |