Comparison

Tricorn Black vs Dark Kettle Black

Sherwin-Williams SW 6258 and Valspar 4011-2, ΔE 2.79 apart

Sherwin-Williams Tricorn Black SW 6258 on a wall, hex #2F2F30
Tricorn Black Sherwin-Williams SW 6258
Valspar Dark Kettle Black 4011-2 on a wall, hex #292A2D
Dark Kettle Black Valspar 4011-2
Zeytin’s verdict · ΔE 2.79Close cousins. Paint a sample of each before you choose.

Sherwin-Williams Tricorn Black (SW 6258) and Valspar Dark Kettle Black (4011-2) measure a delta-E of 2.79 apart. They sit within 0.5 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 0.7 and 2.1. Close, but a large sample of each will show the gap, particularly against white trim. If you need the Dark Kettle Black depth in Sherwin-Williams's line, start from its LRV of 2.3 rather than matching by name.

Is Sherwin-Williams Tricorn Black the same color as Valspar Dark Kettle Black?

Not quite, but close - Sherwin-Williams Tricorn Black and Valspar Dark Kettle Black are delta-E 2.79 apart, close enough that most rooms would not show the difference.

What is the delta-E between Sherwin-Williams Tricorn Black and Valspar Dark Kettle Black?

The measured color distance between Sherwin-Williams Tricorn Black and Valspar Dark Kettle Black is delta-E 2.79.

CLOSEST PAIRΔE 2.79 Tricorn Black and Dark Kettle Black
LIGHTESTTricorn Black LRV 2.8
DARKESTDark Kettle Black LRV 2.3
SPREAD0.5LRV points

Side by side

measured values
Tricorn Black Dark Kettle Black
Brand Sherwin-Williams Valspar
Code SW 6258 4011-2
Hex #2F2F30 #292A2D
Light reflectance 2.8 2.3
Undertone true neutral true neutral
Chroma 0.7 2.1
Hue angle 290.6° 278.1°
Color family black black

Each on its own

full detail