Atmosphere vs Blue Opal

Atmosphere and Blue Opal are both Dulux blues. The gap between them is ΔE 1.3 — “near-identical”. Blue Opal is the lighter of the two, and Atmosphere the warmer. Both cost about £14.40 per litre.

Atmosphere #CDDBE0 £14.40/L

Blue Opal #CEDFE5 £14.40/L

	Atmosphere	Blue Opal
Hex	`#CDDBE0`	`#CEDFE5`
Lightness (L*)	87	88
Price / litre	£14.40	£14.40

More Dulux comparisons

Atmosphere vs Celestial Cloud 5
Atmosphere vs Winter Teal 6
Atmosphere vs Borrowed Blue
Atmosphere vs Pebble Drift 6
Atmosphere vs Liberty Blue 6

Looking across brands instead? See Atmosphere’s cross-brand matches and cheaper alternatives, or Blue Opal’s.