How does Ribbon blue (No.18 E 50) by BS 4800 compare with Johnstone's’s closest paints? The nearest match is Johnstone's Everglade Mist (ΔE 1.4, “near-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 Ribbon blue (No.18 E 50)

Johnstone's Everglade Mist near-identical — ΔE 1.4 £13.37/L

BS 4800 Ribbon blue 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
Everglade Mist	—	1.4	near-identical	£13.37	£2.23
New Duck Egg	—	2.6	near-identical	£7.53	£1.26
Misty Aqua	—	2.7	near-identical	£13.37	£2.23

Compare Ribbon blue with another brand

Full BS 4800 → Johnstone's conversion chart — every colour's nearest equivalent

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