How does Window grey (No.7040) by RAL Classic compare with Crown’s closest paints? The nearest match by perceptual distance is Crown Blue Gravel® (ΔE 2.1, “near-identical”). 1 more Crown colour sit within ΔE 4 — close enough that the difference is hard to spot once paint’s on the wall.
RAL Classic Window grey vs Crown
2 closest Crown 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 |
|---|---|---|---|---|---|
| Blue Gravel® | — | 2.1 | near-identical | £8.20 | £1.37 |
| Pewter | — | 2.6 | near-identical | — | — |