Dark Energy by Johnstone's is a deep cyan. Hex: #2C5769. RGB: 44, 87, 105. Price: approximately £12.36 per litre. The nearest equivalent from another manufacturer is Dulux Hawaiian Blue 1 (ΔE 2.5, “near-identical”), priced at approximately £10.20 per litre. Other close matches include Edward Bulmer Indigo (ΔE 3.0) and BS 4800 Fathom blue (ΔE 3.3).
Dark Energy by Johnstone's
- Hex
#2C5769- RGB
- 44, 87, 105
- Manufacturer
- Johnstone's
- Price per litre
- £12.36
- Price per m2 (?)
- £2.06
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Nearest matches from other manufacturers
| Colour | Manufacturer | ΔE | Match quality | Price/L | Price/m2 (?) |
|---|---|---|---|---|---|
| Hawaiian Blue 1 | Dulux | 2.5 | Near-identical | £10.20 (£2.16 less) | £1.57 |
| Indigo | Edward Bulmer | 3.0 | Near-identical | £26.40 (£14.04 more) | £4.40 |
| Fathom blue (No.18 C 39) | BS 4800 | 3.3 | Very close | — | — |
| Indigo Shade | Dulux | 3.3 | Very close | £10.20 (£2.16 less) | £1.57 |
| Celestial Blue 1 | Dulux | 3.8 | Very close | £10.20 (£2.16 less) | £1.57 |
| Azure blue (No.5009) | RAL Classic | 4.2 | Very close | — | — |
| Toy Soldier | Earthborn | 4.3 | Very close | £24.00 (£11.64 more) | £4.80 |
| Hicks' Blue (No.3) | Little Greene | 4.5 | Very close | £28.00 (£15.64 more) | £4.31 |
| Proper Blue (No.No.67) | Mylands | 4.7 | Very close | £27.20 (£14.84 more) | £3.63 |
Hawaiian Blue 1
Dulux
Near-identical
ΔE 2.5
£10.20/L
£1.57/m2
Indigo
Edward Bulmer
Near-identical
ΔE 3.0
£26.40/L
£4.40/m2
Fathom blue
BS 4800
Very close
ΔE 3.3
Indigo Shade
Dulux
Very close
ΔE 3.3
£10.20/L
£1.57/m2
Celestial Blue 1
Dulux
Very close
ΔE 3.8
£10.20/L
£1.57/m2
Azure blue
RAL Classic
Very close
ΔE 4.2
Toy Soldier
Earthborn
Very close
ΔE 4.3
£24.00/L
£4.80/m2
Hicks' Blue
Little Greene
Very close
ΔE 4.5
£28.00/L
£4.31/m2
Proper Blue
Mylands
Very close
ΔE 4.7
£27.20/L
£3.63/m2
Colour neighbourhood
Coverage & application
Manufacturer figures from the Johnstone's Product Advice Sheet. Real-world coverage is typically 15-20% lower.
| Finish | Coverage | Coats | Sheen | Scrub class | Touch dry | Recoat | VOC |
|---|---|---|---|---|---|---|---|
| MY colour Durable Matt PAS | 12 m²/L | 2 | 4% | — | 1h | 3h | — |
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