Comparison

Sudbury Yellow vs Summer's End

Farrow & Ball 51 and Vista Paint 1017, ΔE 18.94 apart

Farrow & Ball Sudbury Yellow 51 on a wall, hex #D7B576
Sudbury Yellow Farrow & Ball 51
Vista Paint Summer's End 1017 on a wall, hex #DA966C
Summer's End Vista Paint 1017
Zeytin’s verdict · ΔE 18.94Not even close. Pick the one you actually want.

Farrow & Ball Sudbury Yellow (51) and Vista Paint Summer's End (1017) measure a delta-E of 18.94 apart. Sudbury Yellow is 10.8 LRV points lighter, which is the difference you notice first. Both carry a similar amount of color, at chroma 36.8 and 38.5. The undertones part company: Sudbury Yellow reads as a yellow at hue angle 83.7 degrees, Summer's End as a orange at 57.2. These read as related but distinct. Sample both before committing. If you need the Summer's End depth in Farrow & Ball's line, start from its LRV of 38.0 rather than matching by name.

What is the difference between Farrow & Ball Sudbury Yellow and Vista Paint Summer's End?

Farrow & Ball Sudbury Yellow and Vista Paint Summer's End are delta-E 18.94 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 Summer's End?

The measured color distance between Farrow & Ball Sudbury Yellow and Vista Paint Summer's End is delta-E 18.94.

Which is lighter, Farrow & Ball Sudbury Yellow or Vista Paint Summer's End?

Farrow & Ball Sudbury Yellow is lighter than Vista Paint Summer's End by 10.8 points of light reflectance (LRV).

CLOSEST PAIRΔE 18.94 Sudbury Yellow and Summer's End
LIGHTESTSudbury Yellow LRV 48.8
DARKESTSummer's End LRV 38.0
SPREAD10.8LRV points

Side by side

measured values
Sudbury Yellow Summer's End
Brand Farrow & Ball Vista Paint
Code 51 1017
Hex #D7B576 #DA966C
Light reflectance 48.8 38.0
Undertone yellow orange
Chroma 36.8 38.5
Hue angle 83.7° 57.2°
Color family orange orange

Each on its own

full detail