Is Sherwin-Williams Rosemary a good dupe for Farrow & Ball Bancha?

Yes! Sherwin-Williams Rosemary has a 70.6% scientific visual match to Farrow & Ball Bancha with a CIEDE2000 color difference (ΔE) of only 7.11. On walls, the difference is virtually imperceptible under standard residential lighting.

How much do you save using Rosemary instead of Bancha?

Farrow & Ball Bancha retails at ~$145/gal, whereas Sherwin-Williams Rosemary costs ~$82/gal. You save $63 per gallon (43% discount), or approximately $504 on an average whole-house painting project.

Head-to-Head Dupe Analysis70.6% Match SimilaritySave $63 / Gallon

Farrow & Ball Bancha
vs Sherwin-Williams Rosemary

Looking for a cheap equivalent to Bancha (No. 298)? Here is the scientific comparison, spectrophotometric ΔE score, and exact formula to get this mixed at Home Depot.

⚖️ Side-by-Side Visual Comparison

Notice how the human eye perceives both shades under identical D65 daylight.

ΔE: 7.11

Original (luxury)$145/gal

Bancha

Farrow & Ball (No. 298)

HEX: #5A5E44 • LRV: 14

Budget Dupe (premium)$82/gal

Rosemary

Sherwin-Williams (SW 6187)

HEX: #585E55 • LRV: 14

🎯 Editorial Verdict:"Good Coordinating Alternative"

Light Reflectance difference is only 0%. Once painted across an entire room, natural light bounce creates identical atmosphere.

Cost Difference

Save $63/gal (43%)

Technical Specification Comparison

Objective measurements recorded under standard CIE D65 illuminant.

Metric	Farrow & Ball Bancha	Sherwin-Williams Rosemary	Difference / Notes
Hexadecimal Code	#5A5E44	#585E55	ΔE 7.11
sRGB Coordinates	90, 94, 68	88, 94, 85	Near-parallel chromaticity
LRV (Light Reflectance)	14%	14%	Only 0% variance
Dominant Undertones	Japanese Olive, Warm Tea Leaf, Golden Moss	Deep Herbal Green, Slate Gray, Olive Forest	Complementary tones
Price Per Gallon (MSRP)	$145	$82	Save $63/gal
Whole House Cost (10 gal)	$1450	$820	Save $630 Total!

🛒 How to Order this Dupe at Home Depot

Copy and present this exact prompt to the paint counter technician.

"Hi, I would like 1 gallon of Sherwin-Williams Marquee/Premium tinted to Rosemary (SW 6187). This is a verified match for Farrow & Ball Bancha (No. 298)."