Onondaga Clay vs Thames Fog
Where Onondaga Clay belongs to Benjamin Moore's range, Thames Fog is a Valspar color. Hue-wise, Onondaga Clay belongs to the pink-red family and Thames Fog to the grey family. Thames Fog (LRV 27) reflects noticeably more light than Onondaga Clay (LRV 13), a difference of 14 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 34.5, 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
Onondaga Clay vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Onondaga Clay 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 Onondaga Clay comparisons
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