Farrow & Ball 27 and Vista Paint 0645, ΔE 12.84 apart
Farrow & Ball Parma Gray (27) and Vista Paint Calm Tint (0645) measure a delta-E of 12.84 apart. Parma Gray is 7.1 LRV points lighter, which is the difference you notice first. Calm Tint holds more color, chroma 18.2 against 6.5, so it grays out less in dim light. The undertones part company: Parma Gray reads as a cool blue-gray at hue angle 240.6 degrees, Calm Tint as a blue at 253.3. These read as related but distinct. Sample both before committing. If you need the Calm Tint depth in Farrow & Ball's line, start from its LRV of 43.0 rather than matching by name.
Farrow & Ball Parma Gray and Vista Paint Calm Tint are delta-E 12.84 apart - a difference that shows up on a wall, not just side by side on two chips.
The measured color distance between Farrow & Ball Parma Gray and Vista Paint Calm Tint is delta-E 12.84.
Farrow & Ball Parma Gray is lighter than Vista Paint Calm Tint by 7.1 points of light reflectance (LRV).
Vista Paint Calm Tint carries more color than Farrow & Ball Parma Gray - a higher chroma value means a more intense, less grey color.
| Parma Gray | Calm Tint | |
|---|---|---|
| Brand | Farrow & Ball | Vista Paint |
| Code | 27 | 0645 |
| Hex | #B0BEC6 | #91B3CE |
| Light reflectance | 50.1 | 43.0 |
| Undertone | cool blue-gray | blue |
| Chroma | 6.5 | 18.2 |
| Hue angle | 240.6° | 253.3° |
| Color family | gray | teal |