Jasper Stone vs River Rouge
Both from Sherwin-Williams's palette. Hue-wise, Jasper Stone belongs to the green-grey family and River Rouge to the grey family. Jasper Stone (LRV 32) reflects noticeably more light than River Rouge (LRV 12), a difference of 20 points that becomes especially apparent in rooms with limited natural light. Jasper Stone runs cool while River Rouge is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 30.3, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Jasper Stone vs River Rouge Simulated Comparison
5 simulated room previews — drag the slider on each to see Jasper Stone on one side and River Rouge 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 Jasper Stone comparisons
See how Jasper Stone stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 32), opening up a space where Jasper Stone encloses it.
At LRV 69 vs 32, Ammonite is decisively the brighter choice.
Jasper Stone reflects far more light (LRV 32 vs 6), opening up a space where Iron Ore encloses it.
At LRV 52 vs 32, Purbeck Stone is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 32 vs 30), so neither reads brighter in a room.
Mizzle reflects far more light (LRV 52 vs 32), opening up a space where Jasper Stone encloses it.
At LRV 60 vs 32, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 32), opening up a space where Jasper Stone encloses it.
Jasper Stone reads slightly lighter (LRV 32 vs 27), a gap that shows most in low-lit rooms.
A 11-point LRV gap (43 vs 32) makes French Gray the marginally brighter of the two.
At LRV 32 vs 4, Jasper Stone is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 32), opening up a space where Jasper Stone encloses it.
Jasper Stone reflects far more light (LRV 32 vs 13), opening up a space where Bancha encloses it.
Hardwick White reads slightly lighter (LRV 44 vs 32), a gap that shows most in low-lit rooms.
At LRV 84 vs 32, Pure White is decisively the brighter choice.
A 11-point LRV gap (32 vs 21) makes Jasper Stone the marginally brighter of the two.
Balboa Mist reflects far more light (LRV 66 vs 32), opening up a space where Jasper Stone encloses it.
Shoji White reflects far more light (LRV 74 vs 32), opening up a space where Jasper Stone encloses it.
Snowbound reflects far more light (LRV 83 vs 32), opening up a space where Jasper Stone encloses it.
Jasper Stone reflects far more light (LRV 32 vs 12), opening up a space where Pewter Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 32), opening up a space where Jasper Stone encloses it.
A 9-point LRV gap (41 vs 32) makes Dix Blue the marginally brighter of the two.
At LRV 68 vs 32, Calamine is decisively the brighter choice.
A 7-point LRV gap (32 vs 25) makes Jasper Stone the marginally brighter of the two.
Jasper Stone reflects far more light (LRV 32 vs 12), opening up a space where Vintage Vogue encloses it.
Saybrook Sage reflects far more light (LRV 45 vs 32), opening up a space where Jasper Stone encloses it.
Their light reflectance is nearly identical (LRV 32 vs 31), so neither reads brighter in a room.
At LRV 32 vs 7, Jasper Stone is decisively the brighter choice.
A 8-point LRV gap (32 vs 24) makes Jasper Stone the marginally brighter of the two.
At LRV 57 vs 32, Guilford Green is decisively the brighter choice.