RAL 640-4 vs Passageway
RAL 640-4 (RAL Effect) and Passageway (Valspar) come from different manufacturers. Hue-wise, RAL 640-4 belongs to the blue family and Passageway to the blue-grey family. The 8-point LRV gap — 14 for Passageway vs 7 for RAL 640-4 — means Passageway will open up a space more effectively. A ΔE of 25.6 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
RAL 640-4 vs Passageway in Real Spaces
2 real rooms side by side. Seeing RAL 640-4 and Passageway in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bedroom
Bedrooms are typically lit with warmer, lower light than the rest of the house — a condition that flatters warm tones and deepens cool ones. Passageway has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Bathroom
Small bathrooms intensify color. A shade that seems quiet in a larger room can feel immersive when you're surrounded by it on four walls. Passageway has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
RAL 640-4 vs Passageway Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 640-4 on one side and Passageway 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 RAL 640-4 comparisons
See how RAL 640-4 stacks up against other well-photographed colors across different brands and tones.
