How does Westminster (No.SAP1142) by Sanderson compare with Dulux’s closest paints? The nearest match is Dulux Pebble Sea (ΔE 1.2, “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. These 3 Dulux paints are all priced at £14.40 per litre, against Sanderson Westminster at £20.00/L.

Sanderson Westminster (No.SAP1142) £20.00/L

Dulux Pebble Sea near-identical — ΔE 1.2 £14.40/L

Sanderson Westminster 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
Pebble Sea	—	1.2	near-identical	£14.40	£2.22
Green Raft	—	1.8	near-identical	£14.40	£2.22
River Bed	—	1.8	near-identical	£14.40	£2.22

Compare Westminster with another brand

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