Window grey vs Dockside Blue
Where Window grey belongs to RAL Classic's range, Dockside Blue is a Sherwin-Williams color. Window grey reads as blue-grey, while Dockside Blue reads as blue — two distinct hue families, not close cousins. Dockside Blue (LRV 43) reflects noticeably more light than Window grey (LRV 36), a difference of 7 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 you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Window grey vs Dockside Blue in Real Spaces
3 real rooms side by side. Window grey and Dockside Blue are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Living Room
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The brightness difference is modest but present — Dockside Blue gives the walls a little more lift.
Front Door
A front door is a focal point — small color differences read clearly at this concentrated scale. The brightness difference is modest but present — Dockside Blue gives the walls a little more lift.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Dockside Blue reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Window grey vs Dockside Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Window grey on one side and Dockside Blue 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 Window grey comparisons
See how Window grey stacks up against other well-photographed colors across different brands and tones.














































