Comparison

Sudbury Yellow vs Orange Spark

Farrow & Ball 51 and Vista Paint 7951, ΔE 22.14 apart

Farrow & Ball Sudbury Yellow 51 on a wall, hex #D7B576
Sudbury Yellow Farrow & Ball 51
Vista Paint Orange Spark 7951 on a wall, hex #FFBD60
Orange Spark Vista Paint 7951
Zeytin’s verdict · ΔE 22.14Not even close. Pick the one you actually want.

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.

What is the difference between Farrow & Ball Sudbury Yellow and Vista Paint Orange Spark?

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.

What is the delta-E between Farrow & Ball Sudbury Yellow and Vista Paint Orange Spark?

The measured color distance between Farrow & Ball Sudbury Yellow and Vista Paint Orange Spark is delta-E 22.14.

Which is lighter, Farrow & Ball Sudbury Yellow or Vista Paint Orange Spark?

Vista Paint Orange Spark is lighter than Farrow & Ball Sudbury Yellow by 10.2 points of light reflectance (LRV).

Which is more saturated, Farrow & Ball Sudbury Yellow or Vista Paint Orange Spark?

Vista Paint Orange Spark carries more color than Farrow & Ball Sudbury Yellow - a higher chroma value means a more intense, less grey color.

CLOSEST PAIRΔE 22.14 Sudbury Yellow and Orange Spark
LIGHTESTOrange Spark LRV 59.0
DARKESTSudbury Yellow LRV 48.8
SPREAD10.2LRV points

Side by side

measured values
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

Each on its own

full detail