Farrow & Ball 51 and Vista Paint 7951, ΔE 22.14 apart
Farrow & Ball Sudbury Yellow (51) and Vista Paint Orange Spark (7951) measure a delta-E of 22.14 apart. Orange Spark is 10.2 LRV points lighter, which is the difference you notice first. Orange Spark holds more color, chroma 57.1 against 36.8, so it grays out less in dim light. These read as related but distinct. Sample both before committing. If you need the Sudbury Yellow depth in Vista Paint's line, start from its LRV of 48.8 rather than matching by name.
Farrow & Ball Sudbury Yellow and Vista Paint Orange Spark are delta-E 22.14 apart - a difference that shows up on a wall, not just side by side on two chips.
The measured color distance between Farrow & Ball Sudbury Yellow and Vista Paint Orange Spark is delta-E 22.14.
Vista Paint Orange Spark is lighter than Farrow & Ball Sudbury Yellow by 10.2 points of light reflectance (LRV).
Vista Paint Orange Spark carries more color than Farrow & Ball Sudbury Yellow - a higher chroma value means a more intense, less grey color.
| Sudbury Yellow | Orange Spark | |
|---|---|---|
| Brand | Farrow & Ball | Vista Paint |
| Code | 51 | 7951 |
| Hex | #D7B576 | #FFBD60 |
| Light reflectance | 48.8 | 59.0 |
| Undertone | yellow | yellow |
| Chroma | 36.8 | 57.1 |
| Hue angle | 83.7° | 75.4° |
| Color family | orange | orange |