How does Chateau Grey (No.SAP1028) by Sanderson compare with Johnstone's’s closest paints? The nearest match is Johnstone's Chapel Stone (ΔE 0.6, “identical”). 2 more Johnstone's colours sit within ΔE 4 — close enough that the difference is hard to spot once paint’s on the wall. Prices for these 3 Johnstone's paints range from £7.53 to £13.37 per litre, against Sanderson Chateau Grey at £20.00/L.

Sanderson Chateau Grey (No.SAP1028) £20.00/L

Johnstone's Chapel Stone identical — ΔE 0.6 £7.53/L

Sanderson Chateau Grey vs Johnstone's

3 closest Johnstone's matches ranked by ΔE

ΔE (CIEDE2000) is a perceptual distance metric — lower means a closer match. Matches under ΔE 2 are typically indistinguishable; ΔE 2–4 looks “the same” once dry on a wall; ΔE 4–6 is noticeable side-by-side. Always view a sample pot before committing — screen colours and lighting vary.

Colour	Number	ΔE	Match quality	Price/L	Price/m²
Chapel Stone	—	0.6	identical	£7.53	£1.26
Fond Memory	—	0.6	identical	£13.37	£2.23
Whippet	—	2.1	near-identical	£13.37	£2.23

Compare Chateau Grey with another brand

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