Comparison

Hamilton Blue vs Overcast Day

Dunn-Edwards DE6333 and Vista Paint 0512, ΔE 2.97 apart

Dunn-Edwards Hamilton Blue DE6333 on a wall, hex #8A99A4
Hamilton Blue Dunn-Edwards DE6333
Vista Paint Overcast Day 0512 on a wall, hex #939BA4
Overcast Day Vista Paint 0512
Zeytin’s verdict · ΔE 2.97Close cousins. Paint a sample of each before you choose.

Dunn-Edwards Hamilton Blue (DE6333) and Vista Paint Overcast Day (0512) measure a delta-E of 2.97 apart. Overcast Day is 2.1 LRV points lighter, which is the difference you notice first. Hamilton Blue holds more color, chroma 8.1 against 5.8, so it grays out less in dim light. The undertones part company: Hamilton Blue reads as a blue undertone at hue angle 248.6 degrees, Overcast Day as a blue cast at 259.9. Close, but a large sample of each will show the gap, particularly against white trim. If you need the Hamilton Blue depth in Vista Paint's line, start from its LRV of 30.9 rather than matching by name.

Is Dunn-Edwards Hamilton Blue the same color as Vista Paint Overcast Day?

Not quite, but close - Dunn-Edwards Hamilton Blue and Vista Paint Overcast Day are delta-E 2.97 apart, close enough that most rooms would not show the difference.

What is the delta-E between Dunn-Edwards Hamilton Blue and Vista Paint Overcast Day?

The measured color distance between Dunn-Edwards Hamilton Blue and Vista Paint Overcast Day is delta-E 2.97.

Which is lighter, Dunn-Edwards Hamilton Blue or Vista Paint Overcast Day?

Vista Paint Overcast Day is lighter than Dunn-Edwards Hamilton Blue by 2.1 points of light reflectance (LRV).

CLOSEST PAIRΔE 2.97 Hamilton Blue and Overcast Day
LIGHTESTOvercast Day LRV 33.0
DARKESTHamilton Blue LRV 30.9
SPREAD2.1LRV points

Side by side

measured values
Hamilton Blue Overcast Day
Brand Dunn-Edwards Vista Paint
Code DE6333 0512
Hex #8A99A4 #939BA4
Light reflectance 30.9 33.0
Undertone blue undertone blue cast
Chroma 8.1 5.8
Hue angle 248.6° 259.9°
Color family teal gray

Each on its own

full detail