Azure Fusion 4 vs Celestial Blue 4
Azure Fusion 4 and Celestial Blue 4 are both Dulux blues. The gap between them is ΔE 4.3 — “very close”. Azure Fusion 4 is the lighter of the two, and Celestial Blue 4 the warmer. Both cost about £10.20 per litre.
| Azure Fusion 4 | Celestial Blue 4 | |
|---|---|---|
| Hex | #008FB5 | #1883A7 |
| Lightness (L*) | 55 | 51 |
| Price / litre | £10.20 | £10.20 |
More Dulux comparisons
Looking across brands instead? See Azure Fusion 4’s cross-brand matches and cheaper alternatives, or Celestial Blue 4’s.