Comparison

Notre Dame vs Rippled Rock

Valspar 5006-1B and Vista Paint 0580, ΔE 1.3 apart

Valspar Notre Dame 5006-1B on a wall, hex #C8C7BF
Notre Dame Valspar 5006-1B
Vista Paint Rippled Rock 0580 on a wall, hex #C4C5BC
Rippled Rock Vista Paint 0580
Zeytin’s verdict · ΔE 1.3Twins, almost. Only daylight on a big wall tells them apart.

Valspar Notre Dame (5006-1B) and Vista Paint Rippled Rock (0580) measure a delta-E of 1.3 apart. They sit within 0 LRV points of each other, so neither will look brighter than the other on the same wall. Both carry a similar amount of color, at chroma 4.3 and 4.8. The undertones part company: Notre Dame reads as a yellow cast at hue angle 104.8 degrees, Rippled Rock as a yellow-green cast at 114.2. The difference is measurable but subtle. It shows on a large wall in strong daylight and disappears under lamplight. If you need the Notre Dame depth in Vista Paint's line, start from its LRV of 56.0 rather than matching by name.

Is Valspar Notre Dame the same color as Vista Paint Rippled Rock?

Not quite, but close - Valspar Notre Dame and Vista Paint Rippled Rock are delta-E 1.3 apart, close enough that most rooms would not show the difference.

What is the delta-E between Valspar Notre Dame and Vista Paint Rippled Rock?

The measured color distance between Valspar Notre Dame and Vista Paint Rippled Rock is delta-E 1.3.

CLOSEST PAIRΔE 1.3 Notre Dame and Rippled Rock
LIGHTESTNotre Dame LRV 56.0
DARKESTNotre Dame LRV 56.0
SPREAD0LRV points

Side by side

measured values
Notre Dame Rippled Rock
Brand Valspar Vista Paint
Code 5006-1B 0580
Hex #C8C7BF #C4C5BC
Light reflectance 56.0 56.0
Undertone yellow cast yellow-green cast
Chroma 4.3 4.8
Hue angle 104.8° 114.2°
Color family gray gray

Each on its own

full detail