Crystal Blue vs RAL 210-4
Crystal Blue is a Benjamin Moore color while RAL 210-4 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 78 vs 75, Crystal Blue will read as the brighter of the two — a 3-point gap that matters most in north-facing or low-light rooms. With a ΔE of 1.9, the difference is subtle — you'd need them side by side to reliably tell them apart. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Crystal Blue vs RAL 210-4 Simulated Comparison
5 simulated room previews — drag the slider on each to see Crystal Blue on one side and RAL 210-4 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 Crystal Blue comparisons
See how Crystal Blue stacks up against other well-photographed colors across different brands and tones.
