Black Sapphire vs Portsmouth Olive
Both from Behr's palette. Hue-wise, Black Sapphire belongs to the blue-grey family and Portsmouth Olive to the beige-greige family. Portsmouth Olive (LRV 14) reflects noticeably more light than Black Sapphire (LRV 7), a difference of 7 points that becomes especially apparent in rooms with limited natural light. Black Sapphire runs blue while Portsmouth Olive is decidedly yellow, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 36.3, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Black Sapphire vs Portsmouth Olive Simulated Comparison
5 simulated room previews — drag the slider on each to see Black Sapphire on one side and Portsmouth Olive on the other.
Digital color is approximate. These simulations are generated from the manufacturer's hex values and overlaid on grayscale room photos — your screen's calibration, brightness, and viewing angle all affect how they render. Before committing to either color, test physical samples in your own space under the light you actually live with.
More Black Sapphire comparisons
See how Black Sapphire stacks up against other well-photographed colors across different brands and tones.








































