Old Mill Blue vs Passageway
Where Old Mill Blue belongs to PPG's range, Passageway is a Valspar color. Both sit in the blue-grey family, which is useful context if you're narrowing within a single hue direction. Old Mill Blue (LRV 17) reflects noticeably more light than Passageway (LRV 14), a difference of 3 points that becomes especially apparent in rooms with limited natural light. The ΔE 8.9 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Old Mill Blue vs Passageway Simulated Comparison
5 simulated room previews — drag the slider on each to see Old Mill Blue 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 Old Mill Blue comparisons
See how Old Mill Blue stacks up against other well-photographed colors across different brands and tones.
