How does Horizon Grey (No.SAP1071) by Sanderson compare with Dulux’s closest paints? The nearest match is Dulux Chalk Dust (ΔE 1.0, “near-identical”). 2 more Dulux colours sit within ΔE 4 — close enough that the difference is hard to spot once paint’s on the wall. Prices for these 3 Dulux paints range from £10.80 to £14.40 per litre, against Sanderson Horizon Grey at £20.00/L.

Sanderson Horizon Grey (No.SAP1071) £20.00/L

Dulux Chalk Dust near-identical — ΔE 1.0 £14.40/L

Sanderson Horizon Grey vs Dulux

3 closest Dulux matches ranked by ΔE

ΔE (CIEDE2000) is a perceptual distance metric — lower means a closer match. Matches under ΔE 2 are typically indistinguishable; ΔE 2–4 looks “the same” once dry on a wall; ΔE 4–6 is noticeable side-by-side. Always view a sample pot before committing — screen colours and lighting vary.

Colour	Number	ΔE	Match quality	Price/L	Price/m²
Chalk Dust	—	1.0	near-identical	£14.40	£2.22
Rock Salt	—	1.2	near-identical	£10.80	£1.66
Quartz Flint 4	—	1.3	near-identical	£14.40	£2.22

Compare Horizon Grey with another brand

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