Little Blue Box vs Thames Fog
Where Little Blue Box belongs to Sherwin-Williams's range, Thames Fog is a Valspar color. Little Blue Box reads as blue, while Thames Fog reads as grey — two distinct hue families, not close cousins. Little Blue Box (LRV 49) reflects noticeably more light than Thames Fog (LRV 27), a difference of 21 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 25.6, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Little Blue Box vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Little Blue Box 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 Little Blue Box comparisons
See how Little Blue Box stacks up against other well-photographed colors across different brands and tones.








































