Earl Blue vs Restful Slumber
Earl Blue and Restful Slumber are both Dulux neutrals. The gap between them is ΔE 3.0 — “near-identical”. Restful Slumber is the lighter of the two, and Earl Blue the warmer. Both cost about £10.20 per litre.
| Earl Blue | Restful Slumber | |
|---|---|---|
| Hex | #A0A9AE | #AAB2B9 |
| Lightness (L*) | 69 | 72 |
| Price / litre | £10.20 | £10.20 |
More Dulux comparisons
Looking across brands instead? See Earl Blue’s cross-brand matches and cheaper alternatives, or Restful Slumber’s.