Smooth Flint vs Wise Diamond

Smooth Flint and Wise Diamond are both Dulux neutrals. The gap between them is ΔE 2.8 — “near-identical”. Smooth Flint is the lighter of the two. Both cost about £14.40 per litre.

	Smooth Flint	Wise Diamond
Hex	#B2B8B9	#AFB1B3
Lightness (L*)	74	72
Price / litre	£14.40	£14.40

Looking across brands instead? See Smooth Flint’s cross-brand matches and cheaper alternatives, or Wise Diamond’s.