Martian Skies 3 vs Sapphire Springs 4

Martian Skies 3 and Sapphire Springs 4 are both Dulux blues. The gap between them is ΔE 3.7 — “very close”. Sapphire Springs 4 is the lighter of the two. Both cost about £14.40 per litre.

	Martian Skies 3	Sapphire Springs 4
Hex	#526C9D	#4D73A1
Lightness (L*)	46	48
Price / litre	£14.40	£14.40

Looking across brands instead? See Martian Skies 3’s cross-brand matches and cheaper alternatives, or Sapphire Springs 4’s.