Earl Blue vs Restful Slumber

Earl Blue and Restful Slumber are both Dulux neutrals. The gap between them is ΔE 3.0 — “near-identical”. Restful Slumber is the lighter of the two, and Earl Blue the warmer. Both cost about £14.40 per litre.

	Earl Blue	Restful Slumber
Hex	#A0A9AE	#AAB2B9
Lightness (L*)	69	72
Price / litre	£14.40	£14.40

Looking across brands instead? See Earl Blue’s cross-brand matches and cheaper alternatives, or Restful Slumber’s.