Old Silk by Johnstone's is a mid-tone grey with a subtle cyan undertone. Hex: #636D73. RGB: 99, 109, 115. Price: approximately £12.36 per litre. The nearest equivalent from another manufacturer is BS 4800 Dark admiralty grey (ΔE 1.7, “near-identical”). Other close matches include Crown Slate Grey (ΔE 2.2) and Mylands Oratory (ΔE 2.4).
Old Silk by Johnstone's
- Hex
#636D73- RGB
- 99, 109, 115
- 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 (?) |
|---|---|---|---|---|---|
| Dark admiralty grey (No.18 B 25) | BS 4800 | 1.7 | Near-identical | — | — |
| Slate Grey | Crown | 2.2 | Near-identical | £7.20 (£5.16 less) | £1.20 |
| Oratory (No.No.237) | Mylands | 2.4 | Near-identical | £27.20 (£14.84 more) | £3.63 |
| Seclusion | Crown | 2.9 | Near-identical | £20.40 (£8.04 more) | £3.40 |
| Riverine (No.JB.07) | Mylands | 3.0 | Near-identical | £27.20 (£14.84 more) | £3.63 |
| Granite Top® | Crown | 3.4 | Very close | — | — |
| Maritime (No.No.236) | Mylands | 3.5 | Very close | £27.20 (£14.84 more) | £3.63 |
| Faded Indigo | Dulux | 3.5 | Very close | £10.20 (£2.16 less) | £1.57 |
| Steel Symphony 1 | Dulux | 3.5 | Very close | £10.20 (£2.16 less) | £1.57 |
Dark admiralty grey
BS 4800
Near-identical
ΔE 1.7
Slate Grey
Crown
Near-identical
ΔE 2.2
£7.20/L
£1.20/m2
Oratory
Mylands
Near-identical
ΔE 2.4
£27.20/L
£3.63/m2
Seclusion
Crown
Near-identical
ΔE 2.9
£20.40/L
£3.40/m2
Riverine
Mylands
Near-identical
ΔE 3.0
£27.20/L
£3.63/m2
Granite Top®
Crown
Very close
ΔE 3.4
Maritime
Mylands
Very close
ΔE 3.5
£27.20/L
£3.63/m2
Faded Indigo
Dulux
Very close
ΔE 3.5
£10.20/L
£1.57/m2
Steel Symphony 1
Dulux
Very close
ΔE 3.5
£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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