How does Cornflower blue (No.20 E 51) by BS 4800 compare with Farrow & Ball’s closest paints? The nearest match is Farrow & Ball Bay Area Blue (ΔE 3.5, “very close”). Prices for these 3 Farrow & Ball paints range from £24.40 to £26.40 per litre.
BS 4800 Cornflower blue vs Farrow & Ball
Now inside your AI toolConnect free →3 closest Farrow & Ball 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 |
|---|---|---|---|---|---|
| Bay Area Blue | — | 3.5 | very close | £26.40 | £4.06 |
| St Giles Blue | — | 5.3 | close | £26.40 | £4.06 |
| Bothy Blue | — | 6.8 | close | £24.40 | £3.75 |
Compare Cornflower blue with another brand
Full BS 4800 → Farrow & Ball conversion chart — every colour's nearest equivalent