Summer Blue vs Grey Blue
Summer Blue (Benjamin Moore) and Grey Blue (RAL Classic) come from different manufacturers. Hue-wise, Summer Blue belongs to the blue family and Grey Blue to the blue-grey family. The 38-point LRV gap — 45 for Summer Blue vs 7 for Grey Blue — means Summer Blue will open up a space more effectively. A ΔE of 44.4 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Summer Blue vs Grey Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Summer Blue on one side and Grey 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 Summer Blue comparisons
See how Summer Blue stacks up against other well-photographed colors across different brands and tones.
