Black Widow by Johnstone's is a deep neutral grey. Hex: #4B504E. RGB: 75, 80, 78. Price: approximately £13.37 per litre. The nearest equivalent from another manufacturer is RAL Classic Traffic grey B (ΔE 1.4, “near-identical”). Other close alternatives include Farrow & Ball Studio Green (ΔE 1.8) and Little Greene Vulcan (ΔE 2.3).

Black Widow by Johnstone's

Hex: #4B504E
RGB: 75, 80, 78
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 (?)
Traffic grey B (No.7043)	RAL Classic	1.4	Near-identical	—	—
Studio Green	Farrow & Ball	1.8	Near-identical	£26.40 (£13.03 more)	£4.06
Vulcan (No.324)	Little Greene	2.3	Near-identical	£29.20 (£15.83 more)	£4.49
Scottish Loch	Dulux	2.7	Near-identical	£14.40 (£1.03 more)	£2.22
Cannon Ball	Dulux	2.8	Near-identical	£14.40 (£1.03 more)	£2.22
Tarpaulin grey (No.7010)	RAL Classic	2.9	Near-identical	—	—
Basalt grey (No.7012)	RAL Classic	3.0	Very close	—	—
Mad About The Bathroom	Mylands	3.1	Very close	£27.20 (£13.83 more)	£3.63
Chine Green	Farrow & Ball	3.1	Very close	£26.40 (£13.03 more)	£4.06