Comparison

Cool Frost vs Iris Isle

Dunn-Edwards DE5931 and PPG 1248-2, ΔE 0.74 apart

Dunn-Edwards Cool Frost DE5931 on a wall, hex #E7E6ED
Cool Frost Dunn-Edwards DE5931
PPG Iris Isle 1248-2 on a wall, hex #E8E5EC
Iris Isle PPG 1248-2
Zeytin’s verdict · ΔE 0.74Same color. Buy the cheaper one.

Dunn-Edwards Cool Frost (DE5931) and PPG Iris Isle (1248-2) measure a delta-E of 0.74 apart. They sit within 0.3 LRV points of each other, so neither will look brighter than the other on the same wall. Both carry a similar amount of color, at chroma 3.6 and 3.8. Side by side on a wall these are effectively the same color. Choose on price and availability rather than appearance. If you need the Cool Frost depth in PPG's line, start from its LRV of 79.7 rather than matching by name.

Is Dunn-Edwards Cool Frost the same color as PPG Iris Isle?

Yes, by measurement - Dunn-Edwards Cool Frost and PPG Iris Isle are only delta-E 0.74 apart, which is below what the human eye can reliably tell apart.

What is the delta-E between Dunn-Edwards Cool Frost and PPG Iris Isle?

The measured color distance between Dunn-Edwards Cool Frost and PPG Iris Isle is delta-E 0.74.

CLOSEST PAIRΔE 0.74 Cool Frost and Iris Isle
LIGHTESTIris Isle LRV 80.0
DARKESTCool Frost LRV 79.7
SPREAD0.3LRV points

Side by side

measured values
Cool Frost Iris Isle
Brand Dunn-Edwards PPG
Code DE5931 1248-2
Hex #E7E6ED #E8E5EC
Light reflectance 79.7 80.0
Undertone cool violet-gray cool violet-gray
Chroma 3.6 3.8
Hue angle 296.0° 306.7°
Color family gray gray

Each on its own

full detail