RAL 630-1 vs RAL 640-1
Both from RAL Effect's palette. Both sit in the blue family, which is useful context if you're narrowing within a single hue direction. They have nearly identical light reflectance values (28 vs 26), so they'll read as similarly Medium in most lighting conditions. The ΔE 6.9 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
RAL 630-1 vs RAL 640-1 in Real Spaces
1 real room side by side. RAL 630-1 and RAL 640-1 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
RAL 630-1 vs RAL 640-1 Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 630-1 on one side and RAL 640-1 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 RAL 630-1 comparisons
See how RAL 630-1 stacks up against other well-photographed colors across different brands and tones.
