Azure Sky 5 vs Open Sky
Azure Sky 5 and Open Sky are both Dulux blues. The gap between them is ΔE 3.1 — “very close”. Azure Sky 5 is the lighter of the two, and Open Sky the warmer. Both cost about £10.20 per litre.
| Azure Sky 5 | Open Sky | |
|---|---|---|
| Hex | #B4DCEA | #B0D3DB |
| Lightness (L*) | 85 | 82 |
| Price / litre | £10.20 | £10.20 |
More Dulux comparisons
Looking across brands instead? See Azure Sky 5’s cross-brand matches and cheaper alternatives, or Open Sky’s.