Intellectual Gray vs Thames Fog
Intellectual Gray (Sherwin-Williams) and Thames Fog (Valspar) come from different manufacturers. Intellectual Gray reads as greige-grey, while Thames Fog reads as grey — two distinct hue families, not close cousins. The 8-point LRV gap — 36 for Intellectual Gray vs 27 for Thames Fog — means Intellectual Gray will open up a space more effectively. ΔE 7.8 means they're clearly different, but not dramatically so — they'd pair well in the same room. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Intellectual Gray vs Thames Fog in Real Spaces
3 real rooms side by side. Intellectual Gray and Thames Fog are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Living Room
A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. Intellectual Gray reflects noticeably more light off the walls, making the space read more open than Thames Fog.
Bathroom
Small bathrooms intensify color. A shade that seems quiet in a larger room can feel immersive when you're surrounded by it on four walls. Intellectual Gray returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Kitchen Cabinets
Cabinet color is always seen in context — against countertops, backsplash, and hardware — which amplifies undertone differences that might disappear on a plain wall. Intellectual Gray returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Intellectual Gray vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Intellectual Gray 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 Intellectual Gray comparisons
See how Intellectual Gray stacks up against other well-photographed colors across different brands and tones.
