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 £14.40 per litre.

	Breton Blue	Peaceful Night
Hex	#425465	#455265
Lightness (L*)	35	34
Price / litre	£14.40	£14.40

Looking across brands instead? See Breton Blue’s cross-brand matches and cheaper alternatives, or Peaceful Night’s.