Comparison

New White vs Oat Straw

Farrow & Ball 59 and Vista Paint 8540, ΔE 2.43 apart

Farrow & Ball New White 59 on a wall, hex #EFE6CF
New White Farrow & Ball 59
Vista Paint Oat Straw 8540 on a wall, hex #F4E6D2
Oat Straw Vista Paint 8540
Zeytin’s verdict · ΔE 2.43Close cousins. Paint a sample of each before you choose.

Farrow & Ball New White (59) and Vista Paint Oat Straw (8540) measure a delta-E of 2.43 apart. New White is 3.4 LRV points lighter, which is the difference you notice first. Both carry a similar amount of color, at chroma 12.3 and 11.5. Close, but a large sample of each will show the gap, particularly against white trim. If you need the Oat Straw depth in Farrow & Ball's line, start from its LRV of 76.0 rather than matching by name.

Is Farrow & Ball New White the same color as Vista Paint Oat Straw?

Not quite, but close - Farrow & Ball New White and Vista Paint Oat Straw are delta-E 2.43 apart, close enough that most rooms would not show the difference.

What is the delta-E between Farrow & Ball New White and Vista Paint Oat Straw?

The measured color distance between Farrow & Ball New White and Vista Paint Oat Straw is delta-E 2.43.

Which is lighter, Farrow & Ball New White or Vista Paint Oat Straw?

Farrow & Ball New White is lighter than Vista Paint Oat Straw by 3.4 points of light reflectance (LRV).

CLOSEST PAIRΔE 2.43 New White and Oat Straw
LIGHTESTNew White LRV 79.4
DARKESTOat Straw LRV 76.0
SPREAD3.4LRV points

Side by side

measured values
New White Oat Straw
Brand Farrow & Ball Vista Paint
Code 59 8540
Hex #EFE6CF #F4E6D2
Light reflectance 79.4 76.0
Undertone yellow undertone yellow undertone
Chroma 12.3 11.5
Hue angle 93.4° 82.5°
Color family tan tan

Each on its own

full detail