Comparison

Stiffkey Blue vs Portsmouth Blue

Farrow & Ball 281 and Vista Paint H0049, ΔE 11.71 apart

Farrow & Ball Stiffkey Blue 281 on a wall, hex #4A5B6B
Stiffkey Blue Farrow & Ball 281
Vista Paint Portsmouth Blue H0049 on a wall, hex #5F7276
Portsmouth Blue Vista Paint H0049
Zeytin’s verdict · ΔE 11.71Not even close. Pick the one you actually want.

Farrow & Ball Stiffkey Blue (281) and Vista Paint Portsmouth Blue (H0049) measure a delta-E of 11.71 apart. Portsmouth Blue is 6 LRV points lighter, which is the difference you notice first. Stiffkey Blue holds more color, chroma 11.5 against 7.6, so it grays out less in dim light. The undertones part company: Stiffkey Blue reads as a blue undertone at hue angle 258.2 degrees, Portsmouth Blue as a teal undertone at 217.0. These read as related but distinct. Sample both before committing. If you need the Stiffkey Blue depth in Vista Paint's line, start from its LRV of 10.0 rather than matching by name.

What is the difference between Farrow & Ball Stiffkey Blue and Vista Paint Portsmouth Blue?

Farrow & Ball Stiffkey Blue and Vista Paint Portsmouth Blue are delta-E 11.71 apart - a difference that shows up on a wall, not just side by side on two chips.

What is the delta-E between Farrow & Ball Stiffkey Blue and Vista Paint Portsmouth Blue?

The measured color distance between Farrow & Ball Stiffkey Blue and Vista Paint Portsmouth Blue is delta-E 11.71.

Which is lighter, Farrow & Ball Stiffkey Blue or Vista Paint Portsmouth Blue?

Vista Paint Portsmouth Blue is lighter than Farrow & Ball Stiffkey Blue by 6 points of light reflectance (LRV).

Which is more saturated, Farrow & Ball Stiffkey Blue or Vista Paint Portsmouth Blue?

Farrow & Ball Stiffkey Blue carries more color than Vista Paint Portsmouth Blue - a higher chroma value means a more intense, less grey color.

CLOSEST PAIRΔE 11.71 Stiffkey Blue and Portsmouth Blue
LIGHTESTPortsmouth Blue LRV 16.0
DARKESTStiffkey Blue LRV 10.0
SPREAD6LRV points

Side by side

measured values
Stiffkey Blue Portsmouth Blue
Brand Farrow & Ball Vista Paint
Code 281 H0049
Hex #4A5B6B #5F7276
Light reflectance 10.0 16.0
Undertone blue undertone teal undertone
Chroma 11.5 7.6
Hue angle 258.2° 217.0°
Color family black teal

Each on its own

full detail