Gustavian Blue vs Thames Fog
Gustavian Blue (Jotun) and Thames Fog (Valspar) come from different manufacturers. Hue-wise, Gustavian Blue belongs to the blue-grey family and Thames Fog to the grey family. The 11-point LRV gap — 38 for Gustavian Blue vs 27 for Thames Fog — means Gustavian Blue will open up a space more effectively. A ΔE of 16.3 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 4 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Gustavian Blue vs Thames Fog in Real Spaces
4 real rooms side by side. Seeing Gustavian Blue 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
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. Gustavian Blue reflects noticeably more light off the walls, making the space read more open than Thames Fog.
Bedroom
Bedrooms are typically lit with warmer, lower light than the rest of the house — a condition that flatters warm tones and deepens cool ones. Gustavian Blue returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Dining Room
Dining rooms often rely on warm incandescent or candlelight, which flatters warm undertones and mutes cool ones. The LRV gap is large enough that Gustavian Blue will make the room feel meaningfully brighter than Thames Fog would.
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. Gustavian Blue returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Gustavian Blue vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Gustavian Blue 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 Gustavian Blue comparisons
See how Gustavian Blue stacks up against other well-photographed colors across different brands and tones.
