Natural Blue vs Thames Fog
Natural Blue (Jotun) and Thames Fog (Valspar) come from different manufacturers. Hue-wise, Natural Blue belongs to the blue-grey family and Thames Fog to the grey family. Their light reflectance values are nearly the same — 29 vs 27 — so neither will read significantly brighter or darker than the other. A ΔE of 11.8 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Natural Blue vs Thames Fog in Real Spaces
3 real rooms side by side. Seeing Natural 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. The distinction reads clearly at room scale, making the choice between them concrete.
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. At this scale, the choice between them becomes clear in a way that a swatch alone can't communicate.
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. At this scale, the choice between them becomes clear in a way that a swatch alone can't communicate.
Color Details
Natural Blue vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Natural 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 Natural Blue comparisons
See how Natural Blue stacks up against other well-photographed colors across different brands and tones.
