Comparison

Gray Owl vs Castle Dale

Behr BNC-37 and Vista Paint 8438, ΔE 1.37 apart

Behr Gray Owl BNC-37 on a wall, hex #776F67
Gray Owl Behr BNC-37
Vista Paint Castle Dale 8438 on a wall, hex #746C63
Castle Dale Vista Paint 8438
Zeytin’s verdict · ΔE 1.37Twins, almost. Only daylight on a big wall tells them apart.

Behr Gray Owl (BNC-37) and Vista Paint Castle Dale (8438) measure a delta-E of 1.37 apart. They sit within 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 5.8 and 6.3. The difference is measurable but subtle. It shows on a large wall in strong daylight and disappears under lamplight. If you need the Castle Dale depth in Behr's line, start from its LRV of 15.0 rather than matching by name.

Is Behr Gray Owl the same color as Vista Paint Castle Dale?

Not quite, but close - Behr Gray Owl and Vista Paint Castle Dale are delta-E 1.37 apart, close enough that most rooms would not show the difference.

What is the delta-E between Behr Gray Owl and Vista Paint Castle Dale?

The measured color distance between Behr Gray Owl and Vista Paint Castle Dale is delta-E 1.37.

Which is lighter, Behr Gray Owl or Vista Paint Castle Dale?

Behr Gray Owl is lighter than Vista Paint Castle Dale by 1 points of light reflectance (LRV).

CLOSEST PAIRΔE 1.37 Gray Owl and Castle Dale
LIGHTESTGray Owl LRV 16.0
DARKESTCastle Dale LRV 15.0
SPREAD1LRV points

Side by side

measured values
Gray Owl Castle Dale
Brand Behr Vista Paint
Code BNC-37 8438
Hex #776F67 #746C63
Light reflectance 16.0 15.0
Undertone yellow cast yellow cast
Chroma 5.8 6.3
Hue angle 73.8° 76.8°
Color family gray gray

Each on its own

full detail