ComparisonComparisonFarrow & Ball 237 and Vista Paint 7329, ΔE 21.31 apart
Farrow & Ball Cook's Blue (237) and Vista Paint Blue Sky (7329) measure a delta-E of 21.31 apart. Blue Sky is 36.1 LRV points lighter, which is the difference you notice first. Blue Sky holds more color, chroma 24.9 against 22.7, so it grays out less in dim light. 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.
Farrow & Ball Cook's Blue and Vista Paint Blue Sky are delta-E 21.31 apart - a difference that shows up on a wall, not just side by side on two chips.
The measured color distance between Farrow & Ball Cook's Blue and Vista Paint Blue Sky is delta-E 21.31.
Vista Paint Blue Sky is lighter than Farrow & Ball Cook's Blue by 36.1 points of light reflectance (LRV).
| Cook's Blue | Blue Sky | |
|---|---|---|
| Brand | Farrow & Ball | Vista Paint |
| Code | 237 | 7329 |
| Hex | #6A8FB2 | #8FC9EB |
| Light reflectance | 25.9 | 62.0 |
| Undertone | blue | blue |
| Chroma | 22.7 | 24.9 |
| Hue angle | 260.7° | 245.8° |
| Color family | blue | teal |