Jack Black vs Thames Fog
Where Jack Black belongs to Little Greene's range, Thames Fog is a Valspar color. Jack Black reads as blue, while Thames Fog reads as grey — two distinct hue families, not close cousins. Thames Fog (LRV 27) reflects noticeably more light than Jack Black (LRV 0), a difference of 27 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 56.6, 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 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Jack Black vs Thames Fog in Real Spaces
2 real rooms side by side. Seeing Jack Black 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
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. Thames Fog reflects noticeably more light off the walls, making the space read more open than Jack Black.
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 Jack Black.
Color Details
Jack Black vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Jack Black 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 Jack Black comparisons
See how Jack Black stacks up against other well-photographed colors across different brands and tones.












































