How does Pastel blue (No.5024) by RAL Classic compare with Johnstone's’s closest paints? The nearest match by perceptual distance is Johnstone's Teal Bayou (ΔE 1.2, “near-identical”). 3 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 6 Johnstone's paints range from £6.14 to £12.36 per litre.
RAL Classic Pastel blue vs Johnstone's
6 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 |
|---|---|---|---|---|---|
| Teal Bayou | — | 1.2 | near-identical | £12.36 | £2.06 |
| Seagreen Spray | — | 1.3 | near-identical | £6.14 | £1.02 |
| Palmetto | — | 3.8 | very close | £12.36 | £2.06 |
| Catalina | — | 3.9 | very close | £12.36 | £2.06 |
| Acapulco Cliffs | — | 4.7 | very close | £12.36 | £2.06 |
| Ocean Turquoise | — | 5.4 | close | £12.36 | £2.06 |