Comparison

Mountain Peak White vs Mellow Blue

Behr N430-1 and Vista Paint 0468 — the same color, ΔE 0.45

Behr Mountain Peak White N430-1 on a wall, hex #D9E4DE
Mountain Peak White Behr N430-1
Vista Paint Mellow Blue 0468 on a wall, hex #D9E3DD
Mellow Blue Vista Paint 0468
Zeytin’s verdict · ΔE 0.45Same color. Buy the cheaper one.

Behr Mountain Peak White (N430-1) and Vista Paint Mellow Blue (0468) are the same to within a rounding error color. Both measure LRV 76.0 at chroma 5.0, with a delta-E of 0.45 between them - far below what an eye can see even on a large wall in daylight. Nothing here should decide the purchase: buy on price, on which store is nearer, or on which line has the finish you want. Neither is the better version of the other.

Is Behr Mountain Peak White the same color as Vista Paint Mellow Blue?

Yes, by measurement - Behr Mountain Peak White and Vista Paint Mellow Blue are only delta-E 0.45 apart, which is below what the human eye can reliably tell apart.

What is the delta-E between Behr Mountain Peak White and Vista Paint Mellow Blue?

The measured color distance between Behr Mountain Peak White and Vista Paint Mellow Blue is delta-E 0.45.

DIFFERENCENoneΔE 0.45
LIGHT REFLECTANCE76.0 identical across all of them
UNDERTONEgreen cast chroma 5.0
DECIDE ONPricenot appearance

Side by side

measured values
Mountain Peak White Mellow Blue
Brand Behr Vista Paint
Code N430-1 0468
Hex #D9E4DE #D9E3DD
Light reflectance 76.0 76.0
Undertone green cast green cast
Chroma 5.0 4.8
Hue angle 161.0° 158.4°
Color family gray gray

Each on its own

full detail