How does Atomic Red (No.3) by Little Greene compare with RAL Classic’s closest paints? The nearest match by perceptual distance is RAL Classic Coral red (ΔE 1.9, “near-identical”). 3 more RAL Classic colours sit within ΔE 4 — close enough that the difference is hard to spot once paint’s on the wall.
Little Greene Atomic Red vs RAL Classic
5 closest RAL Classic matches ranked by ΔE
ΔE (CIEDE2000) is a perceptual distance metric — lower means a closer match. Matches under ΔE 2 are typically indistinguishable; ΔE 2–4 looks “the same” once dry on a wall; ΔE 4–6 is noticeable side-by-side. Always view a sample pot before committing — screen colours and lighting vary.
| Colour | Number | ΔE | Match quality | Price/L | Price/m2 |
|---|---|---|---|---|---|
| Coral red | No.3016 | 1.9 | near-identical | — | — |
| Flame red | No.3000 | 2.7 | near-identical | — | — |
| Vermilion | No.2002 | 3.1 | very close | — | — |
| Orient red | No.3031 | 3.5 | very close | — | — |
| Traffic red | No.3020 | 4.4 | very close | — | — |