How does DH Slate (No.LRV 14) by Dulux Heritage compare with RAL Classic’s closest paints? The nearest match by perceptual distance is RAL Classic Concrete grey (ΔE 1.8, “near-identical”). 2 more RAL Classic colours sit within ΔE 4 — close enough that the difference is hard to spot once paint’s on the wall.
Dulux Heritage DH Slate vs RAL Classic
3 closest RAL Classic 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 |
|---|---|---|---|---|---|
| Concrete grey | No.7023 | 1.8 | near-identical | — | — |
| Quartz grey | No.7039 | 3.6 | very close | — | — |
| Mouse grey | No.7005 | 3.9 | very close | — | — |