How does Black grey (No.7021) by RAL Classic compare with Dulux’s closest paints? The nearest match is Dulux Black (ΔE 3.7, “very close”). Prices for these 6 Dulux paints range from £10.80 to £14.40 per litre.
RAL Classic Black grey vs Dulux
Now inside your AI toolConnect free →6 closest Dulux 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 |
|---|---|---|---|---|---|
| Black | — | 3.7 | very close | £14.40 | £2.22 |
| Rich Black | — | 4.0 | very close | £10.80 | £1.66 |
| Night Jewels 1 | — | 4.0 | very close | £14.40 | £2.22 |
| Cobalt Night | — | 5.0 | close | £14.40 | £2.22 |
| Black Stillness | — | 5.0 | close | £14.40 | £2.22 |
| Lights Out | — | 5.0 | close | £14.40 | £2.22 |
Compare Black grey with another brand
Full RAL Classic → Dulux conversion chart — every colour's nearest equivalent