Cypress Green and Dark Olive: the documented difference
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. Choose by the material relationship as well as the number. Cypress Green's warm olive-gray description gives it a different role from a cooler blue-green sage. Dark Olive is a muted deep green.
| Color | Brand / code | LRV |
|---|---|---|
| Cypress Green | Benjamin Moore 509 | 35.09 |
| Dark Olive | Benjamin Moore 2140-30 | 13.52 |
The choice beside oak beams and cream upholstery
Oak beams already add warm color and visual weight; the wall should not be chosen solely because another olive accessory looks appealing.
Set up both candidates with oak beams and cream upholstery. Use equal-sized boards with the intended finishes and place them in the same orientation. Do not put one directly beside a window and leave the other in shadow. A difference that follows the position rather than the board is a lighting observation, not evidence that the formula changed.
What the comparison can—and cannot—settle
For a second point of reference, Saybrook Sage is recorded at LRV 45.46. The undertones and neighboring colors covers that related choice.
Keep the olive only if it separates comfortably from the wood; compare a grayer sage to clarify the choice. Assess Cypress Green and Dark Olive alone as well as side by side. The unchosen board will not remain in the finished room, and a preference created only by that neighbor may not survive its removal. 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.

