Begin with the weaker light
Cypress Green can be assessed for a north-facing room, but the direction alone cannot determine the result. Its LRV is 35.09; the key concern is olive walls around warm wood . Cypress Green's warm olive-gray description gives it a different role from a cooler blue-green sage.
Why the oak beams and cream upholstery relationship matters
Oak beams already add warm color and visual weight; the wall should not be chosen solely because another olive accessory looks appealing.
Cypress Green has an LRV of 35.09; Benjamin Moore Dark Olive 2140-30 is 13.52. The difference is 21.57 points, with Cypress Green returning more light under the reference measurement.
Keep the surroundings in the test
Assess Cypress Green against the actual warm and cool materials in the shaded room. A blue or green appearance may be exactly the point, or it may conflict with the brief. The compass direction is background information; the particular window, view and material boundary establish the useful test.
A lighting result needs a practical decision
Keep the olive only if it separates comfortably from the wood; compare a grayer sage to clarify the choice. The situations that call for another color covers that related choice.
Window size, obstruction and season still matter when choosing Cypress Green. 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. The daylight and evening-light checks covers that related choice. Before ordering samples, compare room-planning features in the paint color visualizer roundup.
Sources & notes
Color specifications: Benjamin Moore Cypress Green 509. The recorded LRV is 35.09. 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. Benjamin Moore 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.

