Cobalt Stone by Johnstone's is a deep cyan. Hex: #0067A7. RGB: 0, 103, 167. Price: approximately £12.36 per litre. The nearest equivalent from another manufacturer is Dulux Sapphire Springs 3 (ΔE 0.9, “identical”), priced at approximately £10.20 per litre. Other close matches include Dulux Regal Silk (ΔE 1.2) and BS 4800 Blue (ΔE 2.8).
Cobalt Stone by Johnstone's
- Hex
#0067A7- RGB
- 0, 103, 167
- 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 (?) |
|---|---|---|---|---|---|
| Sapphire Springs 3 | Dulux | 0.9 | Identical | £10.20 (£2.16 less) | £1.57 |
| Regal Silk | Dulux | 1.2 | Near-identical | £10.20 (£2.16 less) | £1.57 |
| Blue (No.20 E 56) | BS 4800 | 2.8 | Near-identical | — | — |
| Venetian Crystal 3 | Dulux | 3.9 | Very close | £10.20 (£2.16 less) | £1.57 |
| Sky blue (No.5015) | RAL Classic | 3.9 | Very close | — | — |
| Atlantic Surf 2 | Dulux | 4.6 | Very close | £10.20 (£2.16 less) | £1.57 |
| Lost Lake | Dulux | 4.6 | Very close | £10.20 (£2.16 less) | £1.57 |
| Atlantic Blue | Dulux | 4.8 | Very close | £10.20 (£2.16 less) | £1.57 |
| Royal Regatta 2 | Dulux | 4.8 | Very close | £10.20 (£2.16 less) | £1.57 |
Sapphire Springs 3
Dulux
Identical
ΔE 0.9
£10.20/L
£1.57/m2
Regal Silk
Dulux
Near-identical
ΔE 1.2
£10.20/L
£1.57/m2
Blue
BS 4800
Near-identical
ΔE 2.8
Venetian Crystal 3
Dulux
Very close
ΔE 3.9
£10.20/L
£1.57/m2
Sky blue
RAL Classic
Very close
ΔE 3.9
Atlantic Surf 2
Dulux
Very close
ΔE 4.6
£10.20/L
£1.57/m2
Lost Lake
Dulux
Very close
ΔE 4.6
£10.20/L
£1.57/m2
Atlantic Blue
Dulux
Very close
ΔE 4.8
£10.20/L
£1.57/m2
Royal Regatta 2
Dulux
Very close
ΔE 4.8
£10.20/L
£1.57/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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