Comparison

Myth vs Portsmouth Blue

Behr 740F-5 and Vista Paint H0049, ΔE 2.6 apart

Behr Myth 740F-5 on a wall, hex #657175
Myth Behr 740F-5
Vista Paint Portsmouth Blue H0049 on a wall, hex #5F7276
Portsmouth Blue Vista Paint H0049
Zeytin’s verdict · ΔE 2.6Close cousins. Paint a sample of each before you choose.

Behr Myth (740F-5) and Vista Paint Portsmouth Blue (H0049) measure a delta-E of 2.6 apart. They sit within 0 LRV points of each other, so neither will look brighter than the other on the same wall. Portsmouth Blue holds more color, chroma 7.6 against 5.2, so it grays out less in dim light. The undertones part company: Myth reads as a teal cast at hue angle 226.2 degrees, Portsmouth Blue as a teal undertone at 217.0. Close, but a large sample of each will show the gap, particularly against white trim. If you need the Myth depth in Vista Paint's line, start from its LRV of 16.0 rather than matching by name.

Is Behr Myth the same color as Vista Paint Portsmouth Blue?

Not quite, but close - Behr Myth and Vista Paint Portsmouth Blue are delta-E 2.6 apart, close enough that most rooms would not show the difference.

What is the delta-E between Behr Myth and Vista Paint Portsmouth Blue?

The measured color distance between Behr Myth and Vista Paint Portsmouth Blue is delta-E 2.6.

CLOSEST PAIRΔE 2.6 Myth and Portsmouth Blue
LIGHTESTMyth LRV 16.0
DARKESTMyth LRV 16.0
SPREAD0LRV points

Side by side

measured values
Myth Portsmouth Blue
Brand Behr Vista Paint
Code 740F-5 H0049
Hex #657175 #5F7276
Light reflectance 16.0 16.0
Undertone teal cast teal undertone
Chroma 5.2 7.6
Hue angle 226.2° 217.0°
Color family gray teal

Each on its own

full detail