Plum Royale vs Thames Fog
Plum Royale (Benjamin Moore) and Thames Fog (Valspar) come from different manufacturers. Both sit in the grey family, which is useful context if you're narrowing within a single hue direction. The 21-point LRV gap — 27 for Thames Fog vs 6 for Plum Royale — means Thames Fog will open up a space more effectively. A ΔE of 38.8 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Plum Royale vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Plum Royale 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 Plum Royale comparisons
See how Plum Royale stacks up against other well-photographed colors across different brands and tones.








































