Opal Waters vs Thames Fog
Where Opal Waters belongs to Behr's range, Thames Fog is a Valspar color. Opal Waters reads as blue, while Thames Fog reads as grey — two distinct hue families, not close cousins. Opal Waters (LRV 53) reflects noticeably more light than Thames Fog (LRV 27), a difference of 26 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 24.7, 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 4 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Opal Waters vs Thames Fog in Real Spaces
4 real rooms side by side. Seeing Opal Waters 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
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The LRV gap is large enough that Opal Waters will make the room feel meaningfully brighter than Thames Fog would.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Opal Waters reflects noticeably more light off the walls, making the space read more open than Thames Fog.
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. Opal Waters reflects noticeably more light off the walls, making the space read more open than Thames Fog.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Opal Waters reflects noticeably more light off the walls, making the space read more open than Thames Fog.
Color Details
Opal Waters vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Opal Waters 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 Opal Waters comparisons
See how Opal Waters stacks up against other well-photographed colors across different brands and tones.
