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How does Dawn grey (No.10 A 03) by BS 4800 compare with Johnstone's’s closest paints? The nearest match is Johnstone's Whiskers (ΔE 0.8, “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.

BS 4800 Dawn grey (No.10 A 03)
Johnstone's Whiskers identical — ΔE 0.8 £13.37/L

BS 4800 Dawn 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
Whiskers — 0.8 identical £13.37 £2.23
Swirling Smoke — 1.0 identical £13.37 £2.23
China Clay — 1.7 near-identical £7.53 £1.26

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