Portsmouth
SW 9644 · Sherwin-Williams
Portsmouth SW 9644 as a flat swatch, not a painted room
Sherwin-Williams
Portsmouth
SW 9644
Subtle blue-leaning green, a cool color
- Color family
- Neutral
- Sold for
- Interior
Sherwin-Williams Portsmouth SW 9644 is a dark neutral paint color with a subtle blue-leaning green undertone and an LRV of 22, dark enough to be a statement on four walls.
Source: Sherwin-Williams's color data. Undertone labels describe our calculation, not the paint formula or a test in your room. How we assess colors.
Is Portsmouth warm or cool? Undertones by the numbers
leans blue-green
Undertone
Subtle blue-leaning green
A gentle lean, quiet on the wall.
Try Portsmouth on your own walls
Upload a photo of your room, or the outside of your house, and TryMyHome renders Portsmouth onto the walls for an illustrative preview beside your floors and furniture. Confirm the color with a physical sample. Your first 3 renders are free.
Get a sample before you paint
Use the visualizer to narrow your shortlist, then confirm the finalist on your actual wall. A peel-and-stick sample of Portsmouth, checked in morning and evening light, is the last step before a gallon.
- Made with real paint
- Delivered next day
- Peels off clean

Coordinating colors for Portsmouth
Colors similar to Portsmouth
Closest matches for Portsmouth in other brands
These are the closest digital colors in our catalog, not equivalent paint formulas or touch-up substitutes. Compare physical samples in the same finish before choosing. See the comparison method.