Pastel blue vs RAL 670-5
Pastel blue (RAL Classic) and RAL 670-5 (RAL Effect) come from different manufacturers. These are both blues, so the question isn't which hue to choose — it's where within blue to land. The 7-point LRV gap — 35 for RAL 670-5 vs 29 for Pastel blue — means RAL 670-5 will open up a space more effectively. A ΔE of 16.1 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Pastel blue vs RAL 670-5 in Real Spaces
1 real room side by side. Seeing Pastel blue and RAL 670-5 in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Kitchen
Kitchens often have the harshest, most revealing light in the house — under-cabinet LEDs and overhead fixtures that strip away subtlety. RAL 670-5 has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
Pastel blue vs RAL 670-5 Simulated Comparison
5 simulated room previews — drag the slider on each to see Pastel blue on one side and RAL 670-5 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 Pastel blue comparisons
See how Pastel blue stacks up against other well-photographed colors across different brands and tones.









































