Slate Blue vs RAL 180-1
Slate Blue is a Benjamin Moore color while RAL 180-1 comes from RAL Effect. These are both blues, so the question isn't which hue to choose — it's where within blue to land. At LRV 49 vs 43, RAL 180-1 will read as the brighter of the two — a 5-point gap that matters most in north-facing or low-light rooms. At ΔE 5.4, 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.
Slate Blue vs RAL 180-1 in Real Spaces
1 real room side by side. Slate Blue and RAL 180-1 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.
Bathroom
Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. The brightness difference is modest but present — RAL 180-1 gives the walls a little more lift.
Color Details
Slate Blue vs RAL 180-1 Simulated Comparison
5 simulated room previews — drag the slider on each to see Slate Blue on one side and RAL 180-1 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 Slate Blue comparisons
See how Slate Blue stacks up against other well-photographed colors across different brands and tones.
