Farrow & Ball 51 and Vista Paint AC102, ΔE 27.88 apart
Farrow & Ball Sudbury Yellow (51) and Vista Paint Mustard Field (AC102) measure a delta-E of 27.88 apart. Sudbury Yellow is 4.8 LRV points lighter, which is the difference you notice first. Mustard Field holds more color, chroma 64.4 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 Mustard Field depth in Farrow & Ball's line, start from its LRV of 44.0 rather than matching by name.
Farrow & Ball Sudbury Yellow and Vista Paint Mustard Field are delta-E 27.88 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 Mustard Field is delta-E 27.88.
Farrow & Ball Sudbury Yellow is lighter than Vista Paint Mustard Field by 4.8 points of light reflectance (LRV).
Vista Paint Mustard Field carries more color than Farrow & Ball Sudbury Yellow - a higher chroma value means a more intense, less grey color.
| Sudbury Yellow | Mustard Field | |
|---|---|---|
| Brand | Farrow & Ball | Vista Paint |
| Code | 51 | AC102 |
| Hex | #D7B576 | #D8A931 |
| Light reflectance | 48.8 | 44.0 |
| Undertone | yellow | yellow |
| Chroma | 36.8 | 64.4 |
| Hue angle | 83.7° | 84.6° |
| Color family | orange | orange |