Firefly vs Thames Fog
Where Firefly belongs to Behr's range, Thames Fog is a Valspar color. Hue-wise, Firefly belongs to the beige-yellow family and Thames Fog to the grey family. Firefly (LRV 86) reflects noticeably more light than Thames Fog (LRV 27), a difference of 58 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 42.9, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Firefly vs Thames Fog in Real Spaces
1 real room side by side. Seeing Firefly 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.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. Firefly reflects noticeably more light off the walls, making the space read more open than Thames Fog.
Color Details
Firefly vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Firefly 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 Firefly comparisons
See how Firefly stacks up against other well-photographed colors across different brands and tones.
