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Old Silk by Johnstone's is a mid-tone grey with a subtle cyan undertone. Hex: #636D73. RGB: 99, 109, 115. Price: approximately £13.37 per litre. The nearest equivalent from another manufacturer is BS 4800 Dark admiralty grey (ΔE 1.7, “near-identical”). Other close alternatives include Crown Slate Grey (ΔE 2.2) and Dulux Fresh Slate (ΔE 2.2).

Old Silk by Johnstone's

Hex
#636D73
RGB
99, 109, 115
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 (?)
Dark admiralty grey (No.18 B 25) BS 4800 1.7 Near-identical — —
Slate Grey Crown 2.2 Near-identical £7.90 (£5.47 less) £1.32
Fresh Slate Dulux 2.2 Near-identical £14.40 (£1.03 more) £2.22
Oratory (No.No.237) Mylands 2.4 Near-identical £27.20 (£13.83 more) £3.63
Gallant Grey Dulux 2.4 Near-identical £14.40 (£1.03 more) £2.22
Seclusion Crown 2.9 Near-identical £21.60 (£8.23 more) £3.60
Riverine (No.JB.07) Mylands 3.0 Near-identical £27.20 (£13.83 more) £3.63
Granite Top® Crown 3.4 Very close £18.80 (£5.43 more) £3.13
Maritime (No.No.236) Mylands 3.5 Very close £27.20 (£13.83 more) £3.63

Colour neighbourhood

Old Silk Dark admiralty g.. Slate Grey Fresh Slate Oratory Gallant Grey Seclusion Riverine Granite Top®

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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