Cloudless Sky vs Open Sky

Cloudless Sky and Open Sky are both Dulux blues. The gap between them is ΔE 3.5 — “very close”. Cloudless Sky is the lighter of the two, and Open Sky the warmer. Both cost about £14.40 per litre.

	Cloudless Sky	Open Sky
Hex	#A8DAE5	#B0D3DB
Lightness (L*)	84	82
Price / litre	£14.40	£14.40

Looking across brands instead? See Cloudless Sky’s cross-brand matches and cheaper alternatives, or Open Sky’s.