S 4010-Y50R vs Thames Fog
Where S 4010-Y50R belongs to NCS's range, Thames Fog is a Valspar color. S 4010-Y50R reads as beige-greige, while Thames Fog reads as grey — two distinct hue families, not close cousins. S 4010-Y50R (LRV 30) reflects noticeably more light than Thames Fog (LRV 27), a difference of 3 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 11.6, 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.
S 4010-Y50R vs Thames Fog in Real Spaces
1 real room side by side. Seeing S 4010-Y50R 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. Side by side like this, the difference is easy to read — which is exactly why seeing them in a real space is more useful than comparing chips.
Color Details
S 4010-Y50R vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see S 4010-Y50R 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 S 4010-Y50R comparisons
See how S 4010-Y50R stacks up against other well-photographed colors across different brands and tones.










































