Comparison

Spring Buttercup vs Ray of Light

Dunn-Edwards DE5310 and Vista Paint 0827, ΔE 2.43 apart

Dunn-Edwards Spring Buttercup DE5310 on a wall, hex #FFF6C2
Spring Buttercup Dunn-Edwards DE5310
Vista Paint Ray of Light 0827 on a wall, hex #FAEFBB
Ray of Light Vista Paint 0827
Zeytin’s verdict · ΔE 2.43Close cousins. Paint a sample of each before you choose.

Dunn-Edwards Spring Buttercup (DE5310) and Vista Paint Ray of Light (0827) measure a delta-E of 2.43 apart. Spring Buttercup is 5.1 LRV points lighter, which is the difference you notice first. Both carry a similar amount of color, at chroma 26.6 and 26.9. Close, but a large sample of each will show the gap, particularly against white trim. If you need the Ray of Light depth in Dunn-Edwards's line, start from its LRV of 86.0 rather than matching by name.

Is Dunn-Edwards Spring Buttercup the same color as Vista Paint Ray of Light?

Not quite, but close - Dunn-Edwards Spring Buttercup and Vista Paint Ray of Light are delta-E 2.43 apart, close enough that most rooms would not show the difference.

What is the delta-E between Dunn-Edwards Spring Buttercup and Vista Paint Ray of Light?

The measured color distance between Dunn-Edwards Spring Buttercup and Vista Paint Ray of Light is delta-E 2.43.

Which is lighter, Dunn-Edwards Spring Buttercup or Vista Paint Ray of Light?

Dunn-Edwards Spring Buttercup is lighter than Vista Paint Ray of Light by 5.1 points of light reflectance (LRV).

CLOSEST PAIRΔE 2.43 Spring Buttercup and Ray of Light
LIGHTESTSpring Buttercup LRV 91.1
DARKESTRay of Light LRV 86.0
SPREAD5.1LRV points

Side by side

measured values
Spring Buttercup Ray of Light
Brand Dunn-Edwards Vista Paint
Code DE5310 0827
Hex #FFF6C2 #FAEFBB
Light reflectance 91.1 86.0
Undertone yellow yellow
Chroma 26.6 26.9
Hue angle 100.7° 99.0°
Color family yellow yellow

Each on its own

full detail