Resonant Blue vs Thames Fog
Where Resonant Blue belongs to Sherwin-Williams's range, Thames Fog is a Valspar color. Hue-wise, Resonant Blue belongs to the blue family and Thames Fog to the grey family. They have nearly identical light reflectance values (30 vs 27), so they'll read as similarly Medium in most lighting conditions. With a ΔE of 40.6, 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
Resonant Blue vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Resonant Blue 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 Resonant Blue comparisons
See how Resonant Blue stacks up against other well-photographed colors across different brands and tones.
