Set In Stone vs RAL 170-2
Where Set In Stone belongs to PPG's range, RAL 170-2 is a RAL Effect color. Hue-wise, Set In Stone belongs to the blue-grey family and RAL 170-2 to the blue family. They have nearly identical light reflectance values (42 vs 42), so they'll read as similarly Medium in most lighting conditions. The ΔE 4.2 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Set In Stone vs RAL 170-2 in Real Spaces
3 real rooms side by side. Set In Stone and RAL 170-2 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.
Kitchen
In a kitchen, colors are seen under bright task lighting that amplifies undertones — what reads neutral elsewhere can show its hand here. The distinction reads clearly at room scale, making the choice between them concrete.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. The distinction reads clearly at room scale, making the choice between them concrete.
House
Seen across an entire facade, subtle tonal differences become pronounced. What reads as nearly the same on a chip often reads as clearly different at scale. The distinction reads clearly at room scale, making the choice between them concrete.
Color Details
Set In Stone vs RAL 170-2 Simulated Comparison
5 simulated room previews — drag the slider on each to see Set In Stone on one side and RAL 170-2 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 Set In Stone comparisons
See how Set In Stone stacks up against other well-photographed colors across different brands and tones.
At LRV 69 vs 42, Ammonite is decisively the brighter choice.
White Dove reflects far more light (LRV 83 vs 42), opening up a space where Set In Stone encloses it.
Set In Stone reflects far more light (LRV 42 vs 6), opening up a space where Iron Ore encloses it.
A 10-point LRV gap (52 vs 42) makes Purbeck Stone the marginally brighter of the two.
A 12-point LRV gap (42 vs 30) makes Set In Stone the marginally brighter of the two.
Mizzle reads slightly lighter (LRV 52 vs 42), a gap that shows most in low-lit rooms.
At LRV 60 vs 42, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 42), opening up a space where Set In Stone encloses it.
Set In Stone reflects far more light (LRV 42 vs 27), opening up a space where Denim Drift encloses it.
Their light reflectance is nearly identical (LRV 43 vs 42), so neither reads brighter in a room.
At LRV 42 vs 4, Set In Stone is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 42), opening up a space where Set In Stone encloses it.
Set In Stone reflects far more light (LRV 42 vs 13), opening up a space where Bancha encloses it.
With LRVs of 44 and 42, the two reflect almost the same amount of light.
At LRV 84 vs 42, Pure White is decisively the brighter choice.
At LRV 42 vs 21, Set In Stone is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 42), opening up a space where Set In Stone encloses it.
Shoji White reflects far more light (LRV 74 vs 42), opening up a space where Set In Stone encloses it.
Snowbound reflects far more light (LRV 83 vs 42), opening up a space where Set In Stone encloses it.
A 9-point LRV gap (51 vs 42) makes Pigeon the marginally brighter of the two.
Set In Stone reflects far more light (LRV 42 vs 12), opening up a space where Pewter Green encloses it.
Set In Stone reflects far more light (LRV 42 vs 8), opening up a space where Duck Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 42), opening up a space where Set In Stone encloses it.
Their light reflectance is nearly identical (LRV 42 vs 41), so neither reads brighter in a room.
Set In Stone reflects far more light (LRV 42 vs 12), opening up a space where Vintage Vogue encloses it.
Saybrook Sage reads slightly lighter (LRV 45 vs 42), a gap that shows most in low-lit rooms.
A 11-point LRV gap (42 vs 31) makes Set In Stone the marginally brighter of the two.