How does Blue lilac (No.4005) by RAL Classic compare with Johnstone's’s closest paints? The nearest match by perceptual distance is Johnstone's Magic Magenta (ΔE 2.5, “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. Prices for these 8 Johnstone's paints range from £6.14 to £12.36 per litre.
RAL Classic Blue lilac vs Johnstone's
8 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 |
|---|---|---|---|---|---|
| Magic Magenta | — | 2.5 | near-identical | £12.36 | £2.06 |
| Blackcurrant Magic | — | 3.4 | very close | £6.14 | £1.02 |
| Purple Punch | — | 4.2 | very close | £12.36 | £2.06 |
| Cleopatra's Gown | — | 4.5 | very close | £12.36 | £2.06 |
| Perfectly Purple | — | 5.6 | close | £12.36 | £2.06 |
| Royal Lilac | — | 6.7 | close | £12.36 | £2.06 |
| Dark Angel | — | 7.0 | close | £6.14 | £1.02 |
| Bermuda Onion | — | 7.8 | close | £12.36 | £2.06 |