Natural Slate vs Steel Symphony 3
Natural Slate and Steel Symphony 3 are both Dulux neutrals. The gap between them is ΔE 5.8 — “close”. Steel Symphony 3 is the lighter of the two, and Natural Slate the warmer. Natural Slate is the cheaper of the two at £10.80 per litre.
Now inside your AI toolConnect free →| Natural Slate | Steel Symphony 3 | |
|---|---|---|
| Hex | #909396 | #8F9EA5 |
| Lightness (L*) | 61 | 64 |
| Price / litre | £10.80 | £14.40 |
More Dulux comparisons
Looking across brands instead? See Natural Slate’s cross-brand matches and cheaper alternatives, or Steel Symphony 3’s.