Behr → Sherwin-Williams
Sherwin-Williams equivalent of Behr Thermal S440-7
The closest Sherwin-Williams colour is Tarragon (SW 9660), at ΔE 3.27 — very close.
Tarragon is the closest Sherwin-Williams makes, but at ΔE 3.27 it is a near miss rather than a match. Expect a visible difference where the two meet — on adjoining walls, or against existing trim.
Why people switch between Behr and Sherwin-Williams
Most people comparing Behr to Sherwin-Williams are not shopping for a new colour. They have already chosen one, and then hit a price difference or a painter who buys from a single supplier. The question is what goes on the wall instead.
How close Tarragon really is
- Delta E (CIEDE2000)
- 3.27very close
- LRV
- 7.29Behr is 7
- Hex
- #424E53#3F5052 in Behr
Nearly the same lightness, more muted, with a small hue shift.
Behr and Sherwin-Williams publish LRV against their own measurements, and here the two disagree with the swatches: Tarragon reads slightly darker than Thermal in colour space while carrying the higher published LRV. Treat LRV as comparable within a brand, not across two.
Other Sherwin-Williams options
Worth knowing if Tarragon is discontinued locally, or if you want to shift the colour slightly warmer or cooler.
- Mount Etna SW 7625ΔE 3.91 · close · The candidate is darker, more muted, with a small hue shift. Its LRV is 0.8 points lower.
- Big Dipper SW 9645ΔE 4.30 · close · The candidate is darker, more muted, with a small hue shift. Its LRV is 0.6 points lower.
- Still Water SW 6223ΔE 4.45 · close · The candidate is lighter, more saturated. Its LRV is 3.1 points higher.