Cross-brand match

Northern Sky Blue in Behr

Valspar 4008-5B translated into the Behr line

Valspar Northern Sky Blue 4008-5B on a wall, hex #A3C2D0
Behr Viking 550E-3 on a wall, hex #A6C3D0

The closest Behr paint to Valspar Northern Sky Blue (4008-5B) is Viking 550E-3, a delta-E of 0.94 away — a direct substitute: on a wall the two are the same color.

Light reflectance is effectively identical, 50.8 against 51.0. Undertone reads as blue undertone against blue undertone, at chroma 12.0 and 12.8.

Codes are not transferable between manufacturers and no brand publishes a conversion table, so every figure here is measured from the published hex values rather than taken from a chart.

NEARESTViking550E-3
DISTANCEΔE 0.94CIE Lab
LIGHT REFLECTANCE51.0 against 50.8
HEX#A6C3D0against #A3C2D0

Ranked matches in Behr

closest first
Behr colorΔE LRV Undertone
Viking550E-3 0.94 51.0 blue undertone Compare
Partly CloudyS500-3 3.3 47.0 blue undertone Compare
Sea WindS480-2 3.33 56.0 teal undertone Compare
Sydney HarbourS480-3 3.4 46.0 teal undertone Compare
Essex BlueS500-2 3.96 57.0 blue undertone Compare
Early SeptemberM500-2 3.98 58.0 blue undertone Compare

Northern Sky Blue in other brands

same color, different line

Full detail on Northern Sky Blue