How does Calamine by Farrow & Ball compare with Johnstone's’s closest paints? The nearest match is Johnstone's Birthday Cake (ΔE 0.5, “identical”). 3 more Johnstone's colours sit within ΔE 4 — close enough that the difference is hard to spot once paint’s on the wall. These 4 Johnstone's paints are all priced at £13.37 per litre, against Farrow & Ball Calamine at £26.40/L.

Farrow & Ball Calamine £26.40/L

Johnstone's Birthday Cake identical — ΔE 0.5 £13.37/L

Farrow & Ball Calamine vs Johnstone's

4 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
Birthday Cake	—	0.5	identical	£13.37	£2.23
Bleached Terracotta	—	1.1	near-identical	£13.37	£2.23
Coral Cream	—	1.1	near-identical	£13.37	£2.23
Bare Beige	—	1.7	near-identical	£13.37	£2.23

Compare Calamine with another brand

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