RAL 170-2 vs Aleutian
RAL 170-2 is a RAL Effect color while Aleutian comes from Sherwin-Williams. These are both blues, so the question isn't which hue to choose — it's where within blue to land. At LRV 42 vs 38, RAL 170-2 will read as the brighter of the two — a 3-point gap that matters most in north-facing or low-light rooms. At ΔE 4.4, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
RAL 170-2 vs Aleutian in Real Spaces
3 real rooms side by side. RAL 170-2 and Aleutian 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 170-2 gives the walls a little more lift.
House
At full exterior scale, the difference between these two colors becomes much easier to judge than from a small chip. The brightness difference is modest but present — RAL 170-2 gives the walls a little more lift.
Color Details
RAL 170-2 vs Aleutian Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 170-2 on one side and Aleutian 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 170-2 comparisons
See how RAL 170-2 stacks up against other well-photographed colors across different brands and tones.
