# Rookwood Shutter Green SW 2809

- Brand: Sherwin-Williams
- Code: SW 2809
- Hex: #303B39 (manufacturer-published)
- LRV: 4.05 (computed)
- Undertone: green-leaning (cool, subtle)
- Family: blacks
- Chroma: 0.015 · Hue angle: 183.2°

Near-total absorption. Shows every surface flaw, so prep matters more than the colour choice.

Exterior: Highest heat gain and fade risk. Confirm the substrate is rated for it.

Screen colour is approximate. Obtain a physical sample before specifying.
Methodology: https://paintingmania.shop/color-methodology/