Slate Violet vs Thames Fog
Where Slate Violet belongs to Sherwin-Williams's range, Thames Fog is a Valspar color. Hue-wise, Slate Violet belongs to the grey-purple family and Thames Fog to the grey family. They have nearly identical light reflectance values (29 vs 27), so they'll read as similarly Medium in most lighting conditions. The ΔE 9.1 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Slate Violet vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Slate Violet 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 Slate Violet comparisons
See how Slate Violet stacks up against other well-photographed colors across different brands and tones.
