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.
White Dove reflects far more light (LRV 83 vs 64), opening up a space where RAL 570-1 encloses it.
At LRV 64 vs 52, RAL 570-1 is decisively the brighter choice.
At LRV 64 vs 30, RAL 570-1 is decisively the brighter choice.
A 4-point LRV gap (64 vs 60) makes RAL 570-1 the marginally brighter of the two.
RAL 570-1 reads slightly lighter (LRV 64 vs 58), a gap that shows most in low-lit rooms.
RAL 570-1 reflects far more light (LRV 64 vs 27), opening up a space where Denim Drift encloses it.
At LRV 64 vs 43, RAL 570-1 is decisively the brighter choice.
RAL 570-1 reads slightly lighter (LRV 64 vs 55), a gap that shows most in low-lit rooms.
RAL 570-1 reflects far more light (LRV 64 vs 44), opening up a space where Hardwick White encloses it.
At LRV 84 vs 64, Pure White is decisively the brighter choice.
With LRVs of 66 and 64, the two reflect almost the same amount of light.
Shoji White reads slightly lighter (LRV 74 vs 64), a gap that shows most in low-lit rooms.
RAL 570-1 reflects far more light (LRV 64 vs 12), opening up a space where Pewter Green encloses it.
Skimming Stone reads slightly lighter (LRV 68 vs 64), a gap that shows most in low-lit rooms.
RAL 570-1 reflects far more light (LRV 64 vs 12), opening up a space where Vintage Vogue encloses it.
RAL 570-1 reflects far more light (LRV 64 vs 45), opening up a space where Saybrook Sage encloses it.
At LRV 64 vs 31, RAL 570-1 is decisively the brighter choice.
At LRV 64 vs 7, RAL 570-1 is decisively the brighter choice.
At LRV 64 vs 24, RAL 570-1 is decisively the brighter choice.
A 7-point LRV gap (64 vs 57) makes RAL 570-1 the marginally brighter of the two.