Opaline vs Thames Fog
Opaline is a Sherwin-Williams color while Thames Fog comes from Valspar. Hue-wise, Opaline belongs to the green-grey family and Thames Fog to the grey family. At LRV 73 vs 27, Opaline will read as the brighter of the two — a 45-point gap that matters most in north-facing or low-light rooms. At ΔE 29.3, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Opaline vs Thames Fog in Real Spaces
3 real rooms side by side. Seeing Opaline and Thames Fog in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
Living rooms test a color across a full range of conditions — morning sun, afternoon shade, and evening lamp light all shift how both of these read. Opaline returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Bedroom
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The LRV gap is large enough that Opaline will make the room feel meaningfully brighter than Thames Fog would.
Bathroom
Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. The LRV gap is large enough that Opaline will make the room feel meaningfully brighter than Thames Fog would.
Color Details
Opaline vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Opaline 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 Opaline comparisons
See how Opaline stacks up against other well-photographed colors across different brands and tones.
