Martian Skies 4 vs Martian Skies 5

Martian Skies 4 and Martian Skies 5 are both Dulux blues. The gap between them is ΔE 4.5 — “very close”. Martian Skies 5 is the lighter of the two. Both cost about £14.40 per litre.

	Martian Skies 4	Martian Skies 5
Hex	#6D81AC	#7C8DB5
Lightness (L*)	54	59
Price / litre	£14.40	£14.40

Looking across brands instead? See Martian Skies 4’s cross-brand matches and cheaper alternatives, or Martian Skies 5’s.