RAL 870-4 vs Perle Noir
RAL 870-4 (RAL Effect) and Perle Noir (Sherwin-Williams) come from different manufacturers. These are both greys, so the question isn't which hue to choose — it's where within grey to land. Their light reflectance values are nearly the same — 8 vs 8 — so neither will read significantly brighter or darker than the other. A ΔE of 2.1 puts them in subtle territory — distinguishable in direct comparison, less so from across a room. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
RAL 870-4 vs Perle Noir in Real Spaces
2 real rooms side by side. RAL 870-4 and Perle Noir 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.
Bedroom
Bedrooms are typically lit with warmer, lower light than the rest of the house — a condition that flatters warm tones and deepens cool ones. In photos like these you're seeing the difference at its most direct. In a finished room, the distinction is there but not dramatic.
Bathroom
Small bathrooms intensify color. A shade that seems quiet in a larger room can feel immersive when you're surrounded by it on four walls. In photos like these you're seeing the difference at its most direct. In a finished room, the distinction is there but not dramatic.
Color Details
RAL 870-4 vs Perle Noir Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 870-4 on one side and Perle Noir 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 870-4 comparisons
See how RAL 870-4 stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 8), opening up a space where RAL 870-4 encloses it.
At LRV 52 vs 8, Purbeck Stone is decisively the brighter choice.
At LRV 30 vs 8, Evergreen Fog is decisively the brighter choice.
At LRV 60 vs 8, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 8), opening up a space where RAL 870-4 encloses it.
Denim Drift reflects far more light (LRV 27 vs 8), opening up a space where RAL 870-4 encloses it.
At LRV 43 vs 8, French Gray is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 8), opening up a space where RAL 870-4 encloses it.
Hardwick White reflects far more light (LRV 44 vs 8), opening up a space where RAL 870-4 encloses it.
At LRV 84 vs 8, Pure White is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 8), opening up a space where RAL 870-4 encloses it.
Shoji White reflects far more light (LRV 74 vs 8), opening up a space where RAL 870-4 encloses it.
Pewter Green reads slightly lighter (LRV 12 vs 8), a gap that shows most in low-lit rooms.
With LRVs of 8 and 8, the two reflect almost the same amount of light.
Skimming Stone reflects far more light (LRV 68 vs 8), opening up a space where RAL 870-4 encloses it.
Vintage Vogue reads slightly lighter (LRV 12 vs 8), a gap that shows most in low-lit rooms.
Saybrook Sage reflects far more light (LRV 45 vs 8), opening up a space where RAL 870-4 encloses it.
At LRV 31 vs 8, Pale Green is decisively the brighter choice.