How does Horizon Grey (No.SAP1071) by Sanderson compare with Johnstone's’s closest paints? The nearest match is Johnstone's Porridge Oat (ΔE 0.7, “identical”). 4 more Johnstone's colours sit within ΔE 4 — close enough that the difference is hard to spot once paint’s on the wall. These 5 Johnstone's paints are all priced at £13.37 per litre, against Sanderson Horizon Grey at £20.00/L.

Sanderson Horizon Grey (No.SAP1071) £20.00/L

Johnstone's Porridge Oat identical — ΔE 0.7 £13.37/L

Sanderson Horizon Grey vs Johnstone's

5 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
Porridge Oat	—	0.7	identical	£13.37	£2.23
Magical Moonlight	—	1.1	near-identical	£13.37	£2.23
Orchid Mist	—	1.1	near-identical	£13.37	£2.23
Windswept Beach	—	1.2	near-identical	£13.37	£2.23
Snowbank	—	1.3	near-identical	£13.37	£2.23

Compare Horizon Grey with another brand

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