Breton Blue vs Peaceful Night
Breton Blue and Peaceful Night are both Dulux blues. The gap between them is ΔE 2.8 — “near-identical”. Breton Blue is the lighter of the two. Both cost about £10.20 per litre.
| Breton Blue | Peaceful Night | |
|---|---|---|
| Hex | #425465 | #455265 |
| Lightness (L*) | 35 | 34 |
| Price / litre | £10.20 | £10.20 |
More Dulux comparisons
Looking across brands instead? See Breton Blue’s cross-brand matches and cheaper alternatives, or Peaceful Night’s.