allpaintcolours.co.ukImprobable by Johnstone's is a mid-tone neutral grey. Hex: #636B6D. RGB: 99, 107, 109. Price: approximately £13.37 per litre. The nearest equivalent from another manufacturer is Dulux Fresh Slate (ΔE 1.0, “near-identical”), priced at approximately £14.40 per litre. Other close alternatives include Dulux Gallant Grey (ΔE 2.1) and Lick Grey 07 (ΔE 2.3).
Improbable by Johnstone's
- Hex
#636B6D- RGB
- 99, 107, 109
- Manufacturer
- Johnstone's
- Price per litre
- £13.37
- Price per m2 (?)
- £2.23
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Nearest matches & alternatives from other brands
| Colour | Manufacturer | ΔE | Match quality | Price/L | Price/m2 (?) |
|---|---|---|---|---|---|
| Fresh Slate | Dulux | 1.0 | Near-identical | £14.40 (£1.03 more) | £2.22 |
| Gallant Grey | Dulux | 2.1 | Near-identical | £14.40 (£1.03 more) | £2.22 |
| Grey 07 (No.grey-07) | Lick | 2.3 | Near-identical | £16.40 (£3.03 more) | £3.28 |
| Dark admiralty grey (No.18 B 25) | BS 4800 | 2.3 | Near-identical | — | — |
| Monogram | Craig & Rose | 2.4 | Near-identical | £18.00 (£4.63 more) | £2.57 |
| Thunder Clouds | Dulux | 2.4 | Near-identical | £14.40 (£1.03 more) | £2.22 |
| Oratory (No.No.237) | Mylands | 2.5 | Near-identical | £27.20 (£13.83 more) | £3.63 |
| Riverine (No.JB.07) | Mylands | 2.5 | Near-identical | £27.20 (£13.83 more) | £3.63 |
| Forest Grey (No.LRV 16) | Dulux Heritage | 2.6 | Near-identical | £10.80 (£2.57 less) | £1.35 |
Fresh Slate
Dulux
Near-identical
ΔE 1.0
£14.40/L
£2.22/m2
Gallant Grey
Dulux
Near-identical
ΔE 2.1
£14.40/L
£2.22/m2
Grey 07
Lick
Near-identical
ΔE 2.3
£16.40/L
£3.28/m2
Dark admiralty grey
BS 4800
Near-identical
ΔE 2.3
Monogram
Craig & Rose
Near-identical
ΔE 2.4
£18.00/L
£2.57/m2
Thunder Clouds
Dulux
Near-identical
ΔE 2.4
£14.40/L
£2.22/m2
Oratory
Mylands
Near-identical
ΔE 2.5
£27.20/L
£3.63/m2
Riverine
Mylands
Near-identical
ΔE 2.5
£27.20/L
£3.63/m2
Forest Grey
Dulux Heritage
Near-identical
ΔE 2.6
£10.80/L
£1.35/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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