Perfect Periwinkle vs Sporty Blue
Both from Sherwin-Williams's palette. These are both blues, so the question isn't which hue to choose — it's where within blue to land. They have nearly identical light reflectance values (23 vs 24), so they'll read as similarly Medium in most lighting conditions. Both lean cool, so they'll behave similarly in mixed or changing light conditions. The ΔE 8.8 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Perfect Periwinkle vs Sporty Blue in Real Spaces
1 real room side by side. Perfect Periwinkle and Sporty Blue 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.
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
Perfect Periwinkle vs Sporty Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Perfect Periwinkle on one side and Sporty Blue 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.
A 11-point LRV gap (23 vs 12) makes Perfect Periwinkle the marginally brighter of the two.
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.