Black Opal by Dulux is a dark muted blue. Hex: #2C3241. RGB: 44, 50, 65. Price: approximately £14.40 per litre. The nearest equivalent from another manufacturer is Little Greene Dock Blue (ΔE 3.7, “very close”), priced at approximately £29.20 per litre. Other close alternatives include Johnstone's Secret Spell (ΔE 4.2) and Johnstone's Midnight Sapphire (ΔE 4.7).
Black Opal by Dulux
- Hex
#2C3241- RGB
- 44, 50, 65
- Manufacturer
- Dulux
- Price per litre
- £14.40
- Price per m2 (?)
- £2.22
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Nearest matches & alternatives from other brands
| Colour | Manufacturer | ΔE | Match quality | Price/L | Price/m2 (?) |
|---|---|---|---|---|---|
| Dock Blue (No.252) | Little Greene | 3.7 | Very close | £29.20 (£14.80 more) | £4.49 |
| Secret Spell | Johnstone's | 4.2 | Very close | £13.37 (£1.03 less) | £2.23 |
| Midnight Sapphire | Johnstone's | 4.7 | Very close | £7.53 (£6.87 less) | £1.26 |
| Blackberry | Johnstone's | 4.8 | Very close | £13.37 (£1.03 less) | £2.23 |
| Bramble Patch | Johnstone's | 4.8 | Very close | £13.37 (£1.03 less) | £2.23 |
| Admiral Blue | Johnstone's | 5.0 | Very close | £7.53 (£6.87 less) | £1.26 |
| Woodnight (No.JB.12) | Mylands | 5.3 | Similar | £27.20 (£12.80 more) | £3.63 |
| Carbon (No.SAP1024) | Sanderson | 5.4 | Similar | £20.00 (£5.60 more) | — |
| Granite grey (No.7026) | RAL Classic | 5.5 | Similar | — | — |
Dock Blue
Little Greene
Very close
ΔE 3.7
£29.20/L
£4.49/m2
Secret Spell
Johnstone's
Very close
ΔE 4.2
£13.37/L
£2.23/m2
Midnight Sapphire
Johnstone's
Very close
ΔE 4.7
£7.53/L
£1.26/m2
Blackberry
Johnstone's
Very close
ΔE 4.8
£13.37/L
£2.23/m2
Bramble Patch
Johnstone's
Very close
ΔE 4.8
£13.37/L
£2.23/m2
Admiral Blue
Johnstone's
Very close
ΔE 5.0
£7.53/L
£1.26/m2
Woodnight
Mylands
Similar
ΔE 5.3
£27.20/L
£3.63/m2
Carbon
Sanderson
Similar
ΔE 5.4
£20.00/L
Granite grey
RAL Classic
Similar
ΔE 5.5
Compare Black Opal with other Dulux colours
Deciding between two Dulux shades? See Black Opal side by side with its closest stablemates.
Colour neighbourhood
Coverage & application
Manufacturer figures from the Dulux Product Advice Sheet. Real-world coverage is typically 15-20% lower.
| Finish | Coverage | Coats | Sheen | Scrub class | Touch dry | Recoat | VOC |
|---|---|---|---|---|---|---|---|
| Dulux Easycare Bathroom Soft Sheen PAS | 13 m²/L | 2 | 25% | 1 | 4h | 4h | — |
| Dulux Easycare Kitchen Matt PAS | 13 m²/L | 2 | 5% | 1 | 4h | 4h | — |
| Dulux Matt PAS | 13 m²/L | 2 | 5% | — | 2h | 4h | — |
| Dulux Silk PAS | 13 m²/L | 2 | 25% | — | 2h | 4h | — |
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