Azure Fusion 3 vs Celestial Blue 4
Azure Fusion 3 and Celestial Blue 4 are both Dulux blues. The gap between them is ΔE 2.3 — “near-identical”. Celestial Blue 4 is the lighter of the two. Both cost about £10.20 per litre.
| Azure Fusion 3 | Celestial Blue 4 | |
|---|---|---|
| Hex | #007FA9 | #1883A7 |
| Lightness (L*) | 50 | 51 |
| Price / litre | £10.20 | £10.20 |
More Dulux comparisons
Looking across brands instead? See Azure Fusion 3’s cross-brand matches and cheaper alternatives, or Celestial Blue 4’s.