Blue Diamond 4 by Dulux is a deep cyan. Hex: #00939F. RGB: 0, 147, 159. Price: approximately £14.40 per litre. The nearest equivalent from another manufacturer is Earthborn Bobble Hat (ΔE 2.4, “near-identical”), priced at approximately £24.60 per litre. Other close alternatives include Johnstone's Diving Trip (ΔE 2.8) and Johnstone's Safe Harbor (ΔE 3.3).
Blue Diamond 4 by Dulux
- Hex
#00939F- RGB
- 0, 147, 159
- 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 (?) |
|---|---|---|---|---|---|
| Bobble Hat | Earthborn | 2.4 | Near-identical | £24.60 (£10.20 more) | £4.92 |
| Diving Trip | Johnstone's | 2.8 | Near-identical | £13.37 (£1.03 less) | £2.23 |
| Safe Harbor | Johnstone's | 3.3 | Very close | £13.37 (£1.03 less) | £2.23 |
| Caribbean Tide | Johnstone's | 4.5 | Very close | £7.53 (£6.87 less) | £1.26 |
| Lagoon Splash | Johnstone's | 4.5 | Very close | £7.53 (£6.87 less) | £1.26 |
| Turquoise blue (No.5018) | RAL Classic | 5.0 | Very close | — | — |
| Palm Springs® | Crown | 5.1 | Similar | £8.80 (£5.60 less) | £1.47 |
| Acapulco Cliffs | Johnstone's | 5.2 | Similar | £13.37 (£1.03 less) | £2.23 |
| Sea Fantasy | Johnstone's | 5.9 | Similar | £13.37 (£1.03 less) | £2.23 |
Bobble Hat
Earthborn
Near-identical
ΔE 2.4
£24.60/L
£4.92/m2
Diving Trip
Johnstone's
Near-identical
ΔE 2.8
£13.37/L
£2.23/m2
Safe Harbor
Johnstone's
Very close
ΔE 3.3
£13.37/L
£2.23/m2
Caribbean Tide
Johnstone's
Very close
ΔE 4.5
£7.53/L
£1.26/m2
Lagoon Splash
Johnstone's
Very close
ΔE 4.5
£7.53/L
£1.26/m2
Turquoise blue
RAL Classic
Very close
ΔE 5.0
Palm Springs®
Crown
Similar
ΔE 5.1
£8.80/L
£1.47/m2
Acapulco Cliffs
Johnstone's
Similar
ΔE 5.2
£13.37/L
£2.23/m2
Sea Fantasy
Johnstone's
Similar
ΔE 5.9
£13.37/L
£2.23/m2
Compare Blue Diamond 4 with other Dulux colours
Deciding between two Dulux shades? See Blue Diamond 4 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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