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How does Blue Clay (No.SAP1013) by Sanderson compare with Johnstone's’s closest paints? The nearest match is Johnstone's Grey Frost (ΔE 0.6, “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. Prices for these 5 Johnstone's paints range from £7.53 to £13.37 per litre, against Sanderson Blue Clay at £20.00/L.

Sanderson Blue Clay (No.SAP1013) £20.00/L
Johnstone's Grey Frost identical — ΔE 0.6 £13.37/L

Sanderson Blue Clay 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
Grey Frost — 0.6 identical £13.37 £2.23
Maiden Mist — 1.1 near-identical £13.37 £2.23
Dusty Pebble — 1.3 near-identical £13.37 £2.23
Train — 1.7 near-identical £13.37 £2.23
Manhattan Grey — 1.7 near-identical £7.53 £1.26

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