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Sherwin-Williams SW-7047 / Light & depth

Porpoise in a North-Facing Room: Will the Depth Work?

Porpoise can be assessed for a north-facing room, but the direction alone cannot determine the result. Its LRV is 13; the key concern is a dark built-in that relates to stone .

Color guide · Updated September 23, 2026

Living room with layered natural materials and soft window light

Begin with the weaker light

Porpoise can be assessed for a north-facing room, but the direction alone cannot determine the result. Its LRV is 13; the key concern is a dark built-in that relates to stone . Porpoise is lighter than Urbane Bronze while remaining a deep gray-bronze option.

Why the cream limestone and walnut shelving relationship matters

Cream limestone can define the built-in as a whole, whereas walnut shelves need a closer check against the painted interior surfaces.

Porpoise has an LRV of 13; Sherwin-Williams Urbane Bronze SW-7048 is 8. The difference is 5 points, with Porpoise returning more light under the reference measurement.

Keep the surroundings in the test

Treat a north-facing room with Porpoise as a possible enclosed, dark scheme rather than a failed bright one. Assess the room under its normal lighting and decide whether pale furniture and architectural edges remain readable. If brightness is the main goal, compare a different depth before extending the paint.

A lighting result needs a practical decision

Check the outline of the shelving against the dark paint; keep depth where it clarifies the architecture. The situations that call for another color covers that related choice.

Window size, obstruction and season still matter when choosing Porpoise. A compass direction is not a brightness measurement. In the Northern Hemisphere, north-facing daylight is often less directly sunlit; the actual room remains the test. Before ordering samples, compare room-planning features in the paint color visualizer roundup.

Sources & notes

Color specifications: Sherwin-Williams Porpoise SW-7047. The recorded LRV is 13. Named comparison values come from the respective manufacturers; material schemes are editorial suggestions.

This guide reviews published color information and proposes practical sample checks. It does not claim first-hand paint testing or customer-review scores. Sherwin-Williams does not sponsor or endorse this site. Product names and trademarks belong to their respective owners. Confirm the color in a physical sample and select the coating for the actual surface and finish.