How does Quartz grey (No.7039) by RAL Classic compare with Dulux Heritage’s closest paints? The nearest match by perceptual distance is Dulux Heritage DH Slate (ΔE 3.6, “very close”).
RAL Classic Quartz 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 | 3.6 | very close | £10.40 | £1.30 |