ComparisonComparisonFarrow & Ball 237 and Vista Paint 0618, ΔE 1.84 apart
Farrow & Ball Cook's Blue (237) and Vista Paint Heavenly Sky (0618) measure a delta-E of 1.84 apart. Heavenly Sky is 2.1 LRV points lighter, which is the difference you notice first. Both carry a similar amount of color, at chroma 22.7 and 21.6. The difference is measurable but subtle. It shows on a large wall in strong daylight and disappears under lamplight. 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.
Not quite, but close - Farrow & Ball Cook's Blue and Vista Paint Heavenly Sky are delta-E 1.84 apart, close enough that most rooms would not show the difference.
The measured color distance between Farrow & Ball Cook's Blue and Vista Paint Heavenly Sky is delta-E 1.84.
Vista Paint Heavenly Sky is lighter than Farrow & Ball Cook's Blue by 2.1 points of light reflectance (LRV).
| Cook's Blue | Heavenly Sky | |
|---|---|---|
| Brand | Farrow & Ball | Vista Paint |
| Code | 237 | 0618 |
| Hex | #6A8FB2 | #7192B4 |
| Light reflectance | 25.9 | 28.0 |
| Undertone | blue | blue |
| Chroma | 22.7 | 21.6 |
| Hue angle | 260.7° | 262.4° |
| Color family | blue | blue |