Is Valspar Dark Kettle Black a good dupe for Farrow & Ball Railings?

Yes! Valspar Dark Kettle Black has a 90.2% scientific visual match to Farrow & Ball Railings with a CIEDE2000 color difference (ΔE) of only 2.57. On walls, the difference is virtually imperceptible under standard residential lighting.

How much do you save using Dark Kettle Black instead of Railings?

Farrow & Ball Railings retails at ~$145/gal, whereas Valspar Dark Kettle Black costs ~$44/gal. You save $101 per gallon (70% discount), or approximately $808 on an average whole-house painting project.

Head-to-Head Dupe Analysis90.2% Match SimilaritySave $101 / Gallon

Farrow & Ball Railings
vs Valspar Dark Kettle Black

Looking for a cheap equivalent to Railings (No. 31)? Here is the scientific comparison, spectrophotometric ΔE score, and exact formula to get this mixed at Lowe's.

⚖️ Side-by-Side Visual Comparison

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

ΔE: 2.57

Original (luxury)$145/gal

Railings

Farrow & Ball (No. 31)

HEX: #32353A • LRV: 5

Budget Dupe (budget)$44/gal

Dark Kettle Black

Valspar (4011-2)

HEX: #333435 • LRV: 4

🎯 Editorial Verdict:"Excellent Visual Dupe (Same mood and undertone)"

Light Reflectance difference is only 1%. Once painted across an entire room, natural light bounce creates identical atmosphere.

Cost Difference

Save $101/gal (70%)

Technical Specification Comparison

Objective measurements recorded under standard CIE D65 illuminant.

Metric	Farrow & Ball Railings	Valspar Dark Kettle Black	Difference / Notes
Hexadecimal Code	#32353A	#333435	ΔE 2.57
sRGB Coordinates	50, 53, 58	51, 52, 53	Near-parallel chromaticity
LRV (Light Reflectance)	5%	4%	Only 1% variance
Dominant Undertones	Blue-Black, Midnight Slate, Graphite	Cast Iron Black, Deep Charcoal, Slate	Complementary tones
Price Per Gallon (MSRP)	$145	$44	Save $101/gal
Whole House Cost (10 gal)	$1450	$440	Save $1010 Total!

🛒 How to Order this Dupe at Lowe's

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

"Hi, I would like 1 gallon of Valspar Marquee/Premium tinted to Dark Kettle Black (4011-2). This is a verified match for Farrow & Ball Railings (No. 31)."