RAL 570-1 vs Potentially Purple
RAL 570-1 is a RAL Effect color while Potentially Purple comes from Sherwin-Williams. These are both blue-purples, so the question isn't which hue to choose — it's where within blue-purple to land. At LRV 64 vs 62, RAL 570-1 will read as the brighter of the two — a 3-point gap that matters most in north-facing or low-light rooms. At ΔE 3.4, 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.
RAL 570-1 vs Potentially Purple in Real Spaces
1 real room side by side. RAL 570-1 and Potentially Purple 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.
House
At full exterior scale, the difference between these two colors becomes much easier to judge than from a small chip. Side by side like this, the difference is easy to read — which is exactly why seeing them in a real space is more useful than comparing chips.
Color Details
RAL 570-1 vs Potentially Purple Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 570-1 on one side and Potentially Purple 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 570-1 comparisons
See how RAL 570-1 stacks up against other well-photographed colors across different brands and tones.










































