allpaintcolours.co.uk

Deep Fossil vs Natural Slate

Deep Fossil and Natural Slate are both Dulux neutrals. The gap between them is ΔE 2.5 — “near-identical”. Natural Slate is the lighter of the two, and Deep Fossil the warmer. Natural Slate is the cheaper of the two at £10.80 per litre.

Deep FossilNatural Slate
Hex#8F908F#909396
Lightness (L*)6061
Price / litre£14.40£10.80

Looking across brands instead? See Deep Fossil’s cross-brand matches and cheaper alternatives, or Natural Slate’s.