How does Crystal blue (No.18 E 49) by BS 4800 compare with Sanderson’s closest paints? The nearest match is Sanderson Airlane Blue (ΔE 3.1, “very close”). These 3 Sanderson paints are all priced at £20.00 per litre.
BS 4800 Crystal blue vs Sanderson
Now inside your AI toolConnect free →3 closest Sanderson 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 |
|---|---|---|---|---|---|
| Airlane Blue | No.SAP1001 | 3.1 | very close | £20.00 | — |
| Smoky Blue | No.SAP1132 | 5.2 | close | £20.00 | — |
| Whitstable Blue | No.SAP1146 | 5.9 | close | £20.00 | — |
Compare Crystal blue with another brand
Full BS 4800 → Sanderson conversion chart — every colour's nearest equivalent