Perfect Periwinkle vs Pewter Green
Perfect Periwinkle and Pewter Green come from the same Sherwin-Williams collection. Hue-wise, Perfect Periwinkle belongs to the blue family and Pewter Green to the green-grey family. The 11-point LRV gap — 23 for Perfect Periwinkle vs 12 for Pewter Green — means Perfect Periwinkle will open up a space more effectively. Where Perfect Periwinkle leans cool, Pewter Green reads neutral — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 33.3 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Perfect Periwinkle vs Pewter Green in Real Spaces
1 real room side by side. Seeing Perfect Periwinkle and Pewter Green in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
House
A full exterior is the most demanding test for a paint color — scale and outdoor light both amplify differences that seem small on a swatch. Perfect Periwinkle returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Perfect Periwinkle vs Pewter Green Simulated Comparison
5 simulated room previews — drag the slider on each to see Perfect Periwinkle on one side and Pewter Green 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 Perfect Periwinkle comparisons
See how Perfect Periwinkle stacks up against other well-photographed colors across different brands and tones.
At LRV 83 vs 23, White Dove is decisively the brighter choice.
Ammonite reflects far more light (LRV 69 vs 23), opening up a space where Perfect Periwinkle encloses it.
At LRV 23 vs 6, Perfect Periwinkle is decisively the brighter choice.
Purbeck Stone reflects far more light (LRV 52 vs 23), opening up a space where Perfect Periwinkle encloses it.
Evergreen Fog reads slightly lighter (LRV 30 vs 23), a gap that shows most in low-lit rooms.
At LRV 52 vs 23, Mizzle is decisively the brighter choice.
Agreeable Gray reflects far more light (LRV 60 vs 23), opening up a space where Perfect Periwinkle encloses it.
At LRV 58 vs 23, Accessible Beige is decisively the brighter choice.
A 4-point LRV gap (27 vs 23) makes Denim Drift the marginally brighter of the two.
French Gray reflects far more light (LRV 43 vs 23), opening up a space where Perfect Periwinkle encloses it.
Perfect Periwinkle reflects far more light (LRV 23 vs 4), opening up a space where Naval encloses it.
At LRV 55 vs 23, Tranquil Dawn is decisively the brighter choice.
A 10-point LRV gap (23 vs 13) makes Perfect Periwinkle the marginally brighter of the two.
At LRV 44 vs 23, Hardwick White is decisively the brighter choice.
Pure White reflects far more light (LRV 84 vs 23), opening up a space where Perfect Periwinkle encloses it.
With LRVs of 23 and 21, the two reflect almost the same amount of light.
At LRV 66 vs 23, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 23, Shoji White is decisively the brighter choice.
At LRV 83 vs 23, Snowbound is decisively the brighter choice.
At LRV 68 vs 23, Skimming Stone is decisively the brighter choice.
Dix Blue reflects far more light (LRV 41 vs 23), opening up a space where Perfect Periwinkle encloses it.
Calamine reflects far more light (LRV 68 vs 23), opening up a space where Perfect Periwinkle encloses it.
With LRVs of 25 and 23, the two reflect almost the same amount of light.
A 11-point LRV gap (23 vs 12) makes Perfect Periwinkle the marginally brighter of the two.
At LRV 45 vs 23, Saybrook Sage is decisively the brighter choice.
Pale Green reads slightly lighter (LRV 31 vs 23), a gap that shows most in low-lit rooms.
Perfect Periwinkle reflects far more light (LRV 23 vs 7), opening up a space where Pine Needle encloses it.
With LRVs of 24 and 23, the two reflect almost the same amount of light.
Guilford Green reflects far more light (LRV 57 vs 23), opening up a space where Perfect Periwinkle encloses it.
Just Walnut reflects far more light (LRV 72 vs 23), opening up a space where Perfect Periwinkle encloses it.