Isle Royale vs Sourdough
Both from PPG's palette. Hue-wise, Isle Royale belongs to the blue family and Sourdough to the beige family. Sourdough (LRV 62) reflects noticeably more light than Isle Royale (LRV 59), a difference of 3 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 33.8, 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
Isle Royale vs Sourdough Simulated Comparison
5 simulated room previews — drag the slider on each to see Isle Royale on one side and Sourdough 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 Isle Royale comparisons
See how Isle Royale stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 59), opening up a space where Isle Royale encloses it.
A 10-point LRV gap (69 vs 59) makes Ammonite the marginally brighter of the two.
Isle Royale reflects far more light (LRV 59 vs 6), opening up a space where Iron Ore encloses it.
A 7-point LRV gap (59 vs 52) makes Isle Royale the marginally brighter of the two.
At LRV 59 vs 30, Isle Royale is decisively the brighter choice.
Isle Royale reads slightly lighter (LRV 59 vs 52), a gap that shows most in low-lit rooms.
Their light reflectance is nearly identical (LRV 60 vs 59), so neither reads brighter in a room.
With LRVs of 59 and 58, the two reflect almost the same amount of light.
Isle Royale reflects far more light (LRV 59 vs 27), opening up a space where Denim Drift encloses it.
At LRV 59 vs 43, Isle Royale is decisively the brighter choice.
At LRV 59 vs 4, Isle Royale is decisively the brighter choice.
Isle Royale reads slightly lighter (LRV 59 vs 55), a gap that shows most in low-lit rooms.
Isle Royale reflects far more light (LRV 59 vs 13), opening up a space where Bancha encloses it.
Isle Royale reflects far more light (LRV 59 vs 44), opening up a space where Hardwick White encloses it.
At LRV 84 vs 59, Pure White is decisively the brighter choice.
At LRV 59 vs 21, Isle Royale is decisively the brighter choice.
Balboa Mist reads slightly lighter (LRV 66 vs 59), a gap that shows most in low-lit rooms.
Shoji White reflects far more light (LRV 74 vs 59), opening up a space where Isle Royale encloses it.
Snowbound reflects far more light (LRV 83 vs 59), opening up a space where Isle Royale encloses it.
Isle Royale reflects far more light (LRV 59 vs 12), opening up a space where Pewter Green encloses it.
Skimming Stone reads slightly lighter (LRV 68 vs 59), a gap that shows most in low-lit rooms.
At LRV 59 vs 41, Isle Royale is decisively the brighter choice.
A 9-point LRV gap (68 vs 59) makes Calamine the marginally brighter of the two.
At LRV 59 vs 25, Isle Royale is decisively the brighter choice.
Isle Royale reflects far more light (LRV 59 vs 12), opening up a space where Vintage Vogue encloses it.
Isle Royale reflects far more light (LRV 59 vs 45), opening up a space where Saybrook Sage encloses it.
At LRV 59 vs 31, Isle Royale is decisively the brighter choice.
At LRV 59 vs 7, Isle Royale is decisively the brighter choice.
At LRV 59 vs 24, Isle Royale is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 59 vs 57), so neither reads brighter in a room.