Forged Steel vs Thames Fog
Where Forged Steel belongs to Sherwin-Williams'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 Forged Steel (LRV 10), a difference of 17 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 21.8, 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 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Forged Steel vs Thames Fog in Real Spaces
2 real rooms side by side. Seeing Forged Steel 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 Thames Fog will make the room feel meaningfully brighter than Forged Steel would.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Thames Fog reflects noticeably more light off the walls, making the space read more open than Forged Steel.
Color Details
Forged Steel vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Forged Steel 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 Forged Steel comparisons
See how Forged Steel stacks up against other well-photographed colors across different brands and tones.
