Rhythmic Blue vs Thames Fog
Rhythmic Blue (Sherwin-Williams) and Thames Fog (Valspar) come from different manufacturers. Hue-wise, Rhythmic Blue belongs to the blue family and Thames Fog to the grey family. The 42-point LRV gap — 69 for Rhythmic Blue vs 27 for Thames Fog — means Rhythmic Blue will open up a space more effectively. A ΔE of 30.6 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Rhythmic Blue vs Thames Fog in Real Spaces
2 real rooms side by side. Seeing Rhythmic 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.
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. Rhythmic Blue returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
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. Rhythmic 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
Rhythmic Blue vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Rhythmic 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 Rhythmic Blue comparisons
See how Rhythmic Blue stacks up against other well-photographed colors across different brands and tones.












































