How does Concrete grey (No.7023) by RAL Classic compare with Dulux Heritage’s closest paints? The nearest match by perceptual distance is Dulux Heritage DH Slate (ΔE 1.8, “near-identical”).
RAL Classic Concrete grey vs Dulux Heritage
1 closest Dulux Heritage match 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 |
|---|---|---|---|---|---|
| DH Slate | No.LRV 14 | 1.8 | near-identical | £10.40 | £1.30 |