Pearl dark grey vs Thames Fog
Where Pearl dark grey belongs to RAL Classic's range, Thames Fog is a Valspar color. These are both greys, so the question isn't which hue to choose — it's where within grey to land. Thames Fog (LRV 27) reflects noticeably more light than Pearl dark grey (LRV 20), a difference of 8 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 10.9, 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.
Pearl dark grey vs Thames Fog in Real Spaces
1 real room side by side. Seeing Pearl dark grey 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.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Thames Fog reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Pearl dark grey vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Pearl dark grey 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 Pearl dark grey comparisons
See how Pearl dark grey stacks up against other well-photographed colors across different brands and tones.
