How does Turquoise blue (No.5018) by RAL Classic compare with Dulux’s closest paints? The nearest match is Dulux Inky Pool 2 (ΔE 1.3, “near-identical”). 2 more Dulux colours sit within ΔE 4 — close enough that the difference is hard to spot once paint’s on the wall. Prices for these 5 Dulux paints range from £10.80 to £14.40 per litre.
RAL Classic Turquoise blue vs Dulux
Now inside your AI toolConnect free →5 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 |
|---|---|---|---|---|---|
| Inky Pool 2 | — | 1.3 | near-identical | £14.40 | £2.22 |
| Blue Diamond 3 | — | 3.2 | very close | £14.40 | £2.22 |
| Proud Peacock | — | 3.6 | very close | £14.40 | £2.22 |
| Teal Voyage | — | 4.9 | very close | £10.80 | £1.66 |
| Blue Diamond 4 | — | 5.0 | very close | £14.40 | £2.22 |
Compare Turquoise blue with another brand
Full RAL Classic → Dulux conversion chart — every colour's nearest equivalent