Opal Silk vs Thames Fog
Opal Silk (Behr) and Thames Fog (Valspar) come from different manufacturers. Opal Silk reads as blue-green, while Thames Fog reads as grey — two distinct hue families, not close cousins. The 16-point LRV gap — 43 for Opal Silk vs 27 for Thames Fog — means Opal Silk will open up a space more effectively. A ΔE of 17.2 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Opal Silk vs Thames Fog in Real Spaces
1 real room side by side. Seeing Opal Silk 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
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. Opal Silk returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Opal Silk vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Opal Silk 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 Silk comparisons
See how Opal Silk stacks up against other well-photographed colors across different brands and tones.
