Blueberry vs RAL 640-4
Blueberry is a Benjamin Moore color while RAL 640-4 comes from RAL Effect. Both sit in the blue family, which is useful context if you're narrowing within a single hue direction. At LRV 13 vs 7, Blueberry will read as the brighter of the two — a 6-point gap that matters most in north-facing or low-light rooms. At ΔE 3.4, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Blueberry vs RAL 640-4 in Real Spaces
1 real room side by side. Blueberry and RAL 640-4 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.
Color Details
Blueberry vs RAL 640-4 Simulated Comparison
5 simulated room previews — drag the slider on each to see Blueberry on one side and RAL 640-4 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 Blueberry comparisons
See how Blueberry stacks up against other well-photographed colors across different brands and tones.










































