Portsmouth Olive vs Thames Fog
Where Portsmouth Olive belongs to Behr's range, Thames Fog is a Valspar color. Portsmouth Olive reads as beige-greige, while Thames Fog reads as grey — two distinct hue families, not close cousins. Thames Fog (LRV 27) reflects noticeably more light than Portsmouth Olive (LRV 14), a difference of 14 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 21.3, 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
Portsmouth Olive vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Portsmouth Olive on one side and Thames Fog 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 Portsmouth Olive comparisons
See how Portsmouth Olive stacks up against other well-photographed colors across different brands and tones.
