Pearl gentian blue vs Thames Fog
Where Pearl gentian blue belongs to RAL Classic's range, Thames Fog is a Valspar color. Hue-wise, Pearl gentian blue belongs to the blue family and Thames Fog to the grey family. Thames Fog (LRV 27) reflects noticeably more light than Pearl gentian blue (LRV 18), a difference of 10 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 32.9, 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
Pearl gentian blue vs Thames Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Pearl gentian blue 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 gentian blue comparisons
See how Pearl gentian blue stacks up against other well-photographed colors across different brands and tones.
