Comparison

Thunderous vs Rock of Ages

Sherwin-Williams SW 6201 and Vista Paint 8430, ΔE 2.64 apart

Sherwin-Williams Thunderous SW 6201 on a wall, hex #6D6C62
Thunderous Sherwin-Williams SW 6201
Vista Paint Rock of Ages 8430 on a wall, hex #757065
Rock of Ages Vista Paint 8430
Zeytin’s verdict · ΔE 2.64Close cousins. Paint a sample of each before you choose.

Sherwin-Williams Thunderous (SW 6201) and Vista Paint Rock of Ages (8430) measure a delta-E of 2.64 apart. They sit within 1.1 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 5.9 and 6.8. Close, but a large sample of each will show the gap, particularly against white trim. If you need the Thunderous depth in Vista Paint's line, start from its LRV of 14.9 rather than matching by name.

Is Sherwin-Williams Thunderous the same color as Vista Paint Rock of Ages?

Not quite, but close - Sherwin-Williams Thunderous and Vista Paint Rock of Ages are delta-E 2.64 apart, close enough that most rooms would not show the difference.

What is the delta-E between Sherwin-Williams Thunderous and Vista Paint Rock of Ages?

The measured color distance between Sherwin-Williams Thunderous and Vista Paint Rock of Ages is delta-E 2.64.

Which is lighter, Sherwin-Williams Thunderous or Vista Paint Rock of Ages?

Vista Paint Rock of Ages is lighter than Sherwin-Williams Thunderous by 1.1 points of light reflectance (LRV).

CLOSEST PAIRΔE 2.64 Thunderous and Rock of Ages
LIGHTESTRock of Ages LRV 16.0
DARKESTThunderous LRV 14.9
SPREAD1.1LRV points

Side by side

measured values
Thunderous Rock of Ages
Brand Sherwin-Williams Vista Paint
Code SW 6201 8430
Hex #6D6C62 #757065
Light reflectance 14.9 16.0
Undertone yellow cast yellow cast
Chroma 5.9 6.8
Hue angle 105.2° 91.1°
Color family gray gray

Each on its own

full detail