Blue Diamond 1 by Dulux is a dark cyan. Hex: #005D67. RGB: 0, 93, 103. Price: approximately £14.40 per litre. The nearest equivalent from another manufacturer is Johnstone's Caribbean Splash (ΔE 3.2, “very close”), priced at approximately £13.37 per litre. Other close alternatives include Johnstone's Jamaican Dream (ΔE 3.7) and Johnstone's Caribbean Holiday (ΔE 3.8).
Blue Diamond 1 by Dulux
- Hex
#005D67- RGB
- 0, 93, 103
- Manufacturer
- Dulux
- Price per litre
- £14.40
- Price per m2 (?)
- £2.22
Saved on this device — open the palette panel any time to compare or share.
Buy a sample
Now inside your AI toolConnect free →
Nearest matches & alternatives from other brands
| Colour | Manufacturer | ΔE | Match quality | Price/L | Price/m2 (?) |
|---|---|---|---|---|---|
| Caribbean Splash | Johnstone's | 3.2 | Very close | £13.37 (£1.03 less) | £2.23 |
| Jamaican Dream | Johnstone's | 3.7 | Very close | £13.37 (£1.03 less) | £2.23 |
| Caribbean Holiday | Johnstone's | 3.8 | Very close | £13.37 (£1.03 less) | £2.23 |
| Azure blue (No.5009) | RAL Classic | 5.2 | Similar | — | — |
| Dark jade (No.16 D 45) | BS 4800 | 6.1 | Similar | — | — |
| Tahitian Treat | Johnstone's | 6.2 | Similar | £13.37 (£1.03 less) | £2.23 |
| Emerald Pool | Johnstone's | 6.2 | Similar | £13.37 (£1.03 less) | £2.23 |
| Water blue (No.5021) | RAL Classic | 6.3 | Similar | — | — |
| Indigo | Edward Bulmer | 6.3 | Similar | £26.40 (£12.00 more) | £4.40 |
Caribbean Splash
Johnstone's
Very close
ΔE 3.2
£13.37/L
£2.23/m2
Jamaican Dream
Johnstone's
Very close
ΔE 3.7
£13.37/L
£2.23/m2
Caribbean Holiday
Johnstone's
Very close
ΔE 3.8
£13.37/L
£2.23/m2
Azure blue
RAL Classic
Similar
ΔE 5.2
Dark jade
BS 4800
Similar
ΔE 6.1
Tahitian Treat
Johnstone's
Similar
ΔE 6.2
£13.37/L
£2.23/m2
Emerald Pool
Johnstone's
Similar
ΔE 6.2
£13.37/L
£2.23/m2
Water blue
RAL Classic
Similar
ΔE 6.3
Indigo
Edward Bulmer
Similar
ΔE 6.3
£26.40/L
£4.40/m2
Compare Blue Diamond 1 with other Dulux colours
Deciding between two Dulux shades? See Blue Diamond 1 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 | — |
What's on your walls?
Got this colour at home? Let us know.