Crystalline vs Thames Fog
Where Crystalline belongs to Sherwin-Williams's range, Thames Fog is a Valspar color. Hue-wise, Crystalline belongs to the beige-greige family and Thames Fog to the grey family. Crystalline (LRV 77) reflects noticeably more light than Thames Fog (LRV 27), a difference of 50 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 31.8, 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
Crystalline vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Crystalline 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 Crystalline comparisons
See how Crystalline stacks up against other well-photographed colors across different brands and tones.
