How does Cosmic Grey (No.SAP1032) by Sanderson compare with Dulux Heritage’s closest paints? The nearest match is Dulux Heritage Turtledove Grey (ΔE 0.2, “identical”). 2 more Dulux Heritage colours sit within ΔE 4 — close enough that the difference is hard to spot once paint’s on the wall. These 3 Dulux Heritage paints are all priced at £10.80 per litre, against Sanderson Cosmic Grey at £20.00/L.

Sanderson Cosmic Grey (No.SAP1032) £20.00/L

Dulux Heritage Turtledove Grey (No.LRV 71) identical — ΔE 0.2 £10.80/L

Sanderson Cosmic Grey vs Dulux Heritage

3 closest Dulux Heritage 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
Turtledove Grey	No.LRV 71	0.2	identical	£10.80	£1.35
Romney Wool	No.LRV 73	2.1	near-identical	£10.80	£1.35
Lead White	No.LRV 73	2.1	near-identical	£10.80	£1.35

Compare Cosmic Grey with another brand

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