Deepest Amethyst vs Marble Swirl 1
Deepest Amethyst and Marble Swirl 1 are both Dulux blues. The gap between them is ΔE 3.7 — “very close”. Marble Swirl 1 is the lighter of the two. Both cost about £14.40 per litre.
Now inside your AI toolConnect free →| Deepest Amethyst | Marble Swirl 1 | |
|---|---|---|
| Hex | #4A5A88 | #58618A |
| Lightness (L*) | 39 | 42 |
| Price / litre | £14.40 | £14.40 |
More Dulux comparisons
Looking across brands instead? See Deepest Amethyst’s cross-brand matches and cheaper alternatives, or Marble Swirl 1’s.