Comparison

Cook's Blue vs Bird's Egg Blue

Farrow & Ball 237 and Vista Paint 7343, ΔE 9.57 apart

Farrow & Ball Cook's Blue 237 on a wall, hex #6A8FB2
Cook's Blue Farrow & Ball 237
Vista Paint Bird's Egg Blue 7343 on a wall, hex #64A1BF
Bird's Egg Blue Vista Paint 7343
Zeytin’s verdict · ΔE 9.57Not even close. Pick the one you actually want.

Farrow & Ball Cook's Blue (237) and Vista Paint Bird's Egg Blue (7343) measure a delta-E of 9.57 apart. Bird's Egg Blue is 5.1 LRV points lighter, which is the difference you notice first. Both carry a similar amount of color, at chroma 22.7 and 24.5. These read as related but distinct. Sample both before committing. If you need the Cook's Blue depth in Vista Paint's line, start from its LRV of 25.9 rather than matching by name.

What is the difference between Farrow & Ball Cook's Blue and Vista Paint Bird's Egg Blue?

Farrow & Ball Cook's Blue and Vista Paint Bird's Egg Blue are delta-E 9.57 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 Cook's Blue and Vista Paint Bird's Egg Blue?

The measured color distance between Farrow & Ball Cook's Blue and Vista Paint Bird's Egg Blue is delta-E 9.57.

Which is lighter, Farrow & Ball Cook's Blue or Vista Paint Bird's Egg Blue?

Vista Paint Bird's Egg Blue is lighter than Farrow & Ball Cook's Blue by 5.1 points of light reflectance (LRV).

CLOSEST PAIRΔE 9.57 Cook's Blue and Bird's Egg Blue
LIGHTESTBird's Egg Blue LRV 31.0
DARKESTCook's Blue LRV 25.9
SPREAD5.1LRV points

Side by side

measured values
Cook's Blue Bird's Egg Blue
Brand Farrow & Ball Vista Paint
Code 237 7343
Hex #6A8FB2 #64A1BF
Light reflectance 25.9 31.0
Undertone blue blue
Chroma 22.7 24.5
Hue angle 260.7° 241.9°
Color family blue teal

Each on its own

full detail