Royal Regatta 5 vs Sea Blue
Royal Regatta 5 and Sea Blue are both Dulux blues. The gap between them is ΔE 6.6 — “close”. Royal Regatta 5 is the lighter of the two. Both cost about £10.20 per litre.
| Royal Regatta 5 | Sea Blue | |
|---|---|---|
| Hex | #60A0CE | #588DC3 |
| Lightness (L*) | 63 | 57 |
| Price / litre | £10.20 | £10.20 |
More Dulux comparisons
Looking across brands instead? See Royal Regatta 5’s cross-brand matches and cheaper alternatives, or Sea Blue’s.