Celestial Blue 5 vs Royal Regatta 5
Celestial Blue 5 and Royal Regatta 5 are both Dulux blues. The gap between them is ΔE 5.7 — “close”. Royal Regatta 5 is the lighter of the two, and Celestial Blue 5 the warmer. Both cost about £10.20 per litre.
| Celestial Blue 5 | Royal Regatta 5 | |
|---|---|---|
| Hex | #4F98B9 | #60A0CE |
| Lightness (L*) | 60 | 63 |
| Price / litre | £10.20 | £10.20 |
More Dulux comparisons
Looking across brands instead? See Celestial Blue 5’s cross-brand matches and cheaper alternatives, or Royal Regatta 5’s.