Purple Passage vs Thames Fog
Where Purple Passage belongs to Sherwin-Williams's range, Thames Fog is a Valspar color. Hue-wise, Purple Passage belongs to the blue-grey family and Thames Fog to the grey family. Thames Fog (LRV 27) reflects noticeably more light than Purple Passage (LRV 12), a difference of 15 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 29.4, 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
Purple Passage vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Purple Passage 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 Purple Passage comparisons
See how Purple Passage stacks up against other well-photographed colors across different brands and tones.
