Calm Clouds vs Letters Unread

Calm Clouds and Letters Unread are both Dulux neutrals. The gap between them is ΔE 1.9 — “near-identical”. Calm Clouds is the lighter of the two, and Letters Unread the warmer. Both cost about £14.40 per litre.

	Calm Clouds	Letters Unread
Hex	#E8E8E5	#E1E2DD
Lightness (L*)	92	90
Price / litre	£14.40	£14.40

Looking across brands instead? See Calm Clouds’s cross-brand matches and cheaper alternatives, or Letters Unread’s.