Comparison

Ocean Floor vs Thunderstorm

Benjamin Moore 1630 and Vista Paint 0514, ΔE 1.7 apart

Benjamin Moore Ocean Floor 1630 on a wall, hex #5F666C
Ocean Floor Benjamin Moore 1630
Vista Paint Thunderstorm 0514 on a wall, hex #5D636B
Thunderstorm Vista Paint 0514
Zeytin’s verdict · ΔE 1.7Twins, almost. Only daylight on a big wall tells them apart.

Benjamin Moore Ocean Floor (1630) and Vista Paint Thunderstorm (0514) measure a delta-E of 1.7 apart. They sit within 1.1 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 4.5 and 5.3. The difference is measurable but subtle. It shows on a large wall in strong daylight and disappears under lamplight. If you need the Thunderstorm depth in Benjamin Moore's line, start from its LRV of 13.0 rather than matching by name.

Is Benjamin Moore Ocean Floor the same color as Vista Paint Thunderstorm?

Not quite, but close - Benjamin Moore Ocean Floor and Vista Paint Thunderstorm are delta-E 1.7 apart, close enough that most rooms would not show the difference.

What is the delta-E between Benjamin Moore Ocean Floor and Vista Paint Thunderstorm?

The measured color distance between Benjamin Moore Ocean Floor and Vista Paint Thunderstorm is delta-E 1.7.

Which is lighter, Benjamin Moore Ocean Floor or Vista Paint Thunderstorm?

Benjamin Moore Ocean Floor is lighter than Vista Paint Thunderstorm by 1.1 points of light reflectance (LRV).

CLOSEST PAIRΔE 1.7 Ocean Floor and Thunderstorm
LIGHTESTOcean Floor LRV 14.1
DARKESTThunderstorm LRV 13.0
SPREAD1.1LRV points

Side by side

measured values
Ocean Floor Thunderstorm
Brand Benjamin Moore Vista Paint
Code 1630 0514
Hex #5F666C #5D636B
Light reflectance 14.1 13.0
Undertone blue cast blue cast
Chroma 4.5 5.3
Hue angle 252.6° 264.5°
Color family gray gray

Each on its own

full detail