Planetarium by Johnstone's is a deep cyan. Hex: #1870A7. RGB: 24, 112, 167. Price: approximately £12.36 per litre. The nearest equivalent from another manufacturer is Dulux Royal Regatta 3 (ΔE 2.4, “near-identical”), priced at approximately £10.20 per litre. Other close matches include Dulux Regal Silk (ΔE 2.4) and RAL Classic Sky blue (ΔE 2.6).
Planetarium by Johnstone's
- Hex
#1870A7- RGB
- 24, 112, 167
- Manufacturer
- Johnstone's
- Price per litre
- £12.36
- Price per m2 (?)
- £2.06
Saved on this device — open the palette panel any time to compare or share.
Buy a sample
Nearest matches from other manufacturers
| Colour | Manufacturer | ΔE | Match quality | Price/L | Price/m2 (?) |
|---|---|---|---|---|---|
| Royal Regatta 3 | Dulux | 2.4 | Near-identical | £10.20 (£2.16 less) | £1.57 |
| Regal Silk | Dulux | 2.4 | Near-identical | £10.20 (£2.16 less) | £1.57 |
| Sky blue (No.5015) | RAL Classic | 2.6 | Near-identical | — | — |
| Venetian Crystal 3 | Dulux | 2.9 | Near-identical | £10.20 (£2.16 less) | £1.57 |
| Blue (No.20 E 53) | BS 4800 | 3.4 | Very close | — | — |
| Sapphire Springs 3 | Dulux | 3.5 | Very close | £10.20 (£2.16 less) | £1.57 |
| Amazon Beat 2 | Dulux | 4.2 | Very close | £10.20 (£2.16 less) | £1.57 |
| Blue | Dulux | 4.2 | Very close | — | — |
| Atlantic Surf 2 | Dulux | 4.7 | Very close | £10.20 (£2.16 less) | £1.57 |
Royal Regatta 3
Dulux
Near-identical
ΔE 2.4
£10.20/L
£1.57/m2
Regal Silk
Dulux
Near-identical
ΔE 2.4
£10.20/L
£1.57/m2
Sky blue
RAL Classic
Near-identical
ΔE 2.6
Venetian Crystal 3
Dulux
Near-identical
ΔE 2.9
£10.20/L
£1.57/m2
Blue
BS 4800
Very close
ΔE 3.4
Sapphire Springs 3
Dulux
Very close
ΔE 3.5
£10.20/L
£1.57/m2
Amazon Beat 2
Dulux
Very close
ΔE 4.2
£10.20/L
£1.57/m2
Blue
Dulux
Very close
ΔE 4.2
Atlantic Surf 2
Dulux
Very close
ΔE 4.7
£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 | — |
What's on your walls?
Got this colour at home? Let us know.