ComparisonComparisonFarrow & Ball 280 and Vista Paint 0645, ΔE 14.23 apart
Farrow & Ball St Giles Blue (280) and Vista Paint Calm Tint (0645) measure a delta-E of 14.23 apart. Calm Tint is 13 LRV points lighter, which is the difference you notice first. St Giles Blue holds more color, chroma 28.2 against 18.2, so it grays out less in dim light. These read as related but distinct. Sample both before committing. If you need the St Giles Blue depth in Vista Paint's line, start from its LRV of 30.0 rather than matching by name.
Farrow & Ball St Giles Blue and Vista Paint Calm Tint are delta-E 14.23 apart - a difference that shows up on a wall, not just side by side on two chips.
The measured color distance between Farrow & Ball St Giles Blue and Vista Paint Calm Tint is delta-E 14.23.
Vista Paint Calm Tint is lighter than Farrow & Ball St Giles Blue by 13 points of light reflectance (LRV).
Farrow & Ball St Giles Blue carries more color than Vista Paint Calm Tint - a higher chroma value means a more intense, less grey color.
| St Giles Blue | Calm Tint | |
|---|---|---|
| Brand | Farrow & Ball | Vista Paint |
| Code | 280 | 0645 |
| Hex | #579DC2 | #91B3CE |
| Light reflectance | 30.0 | 43.0 |
| Undertone | blue | blue |
| Chroma | 28.2 | 18.2 |
| Hue angle | 246.1° | 253.3° |
| Color family | teal | teal |