Head-to-Head Dupe Analysis98.3% Match SimilaritySave $46 / Gallon
Benjamin Moore Onyx
vs Behr Abyss
Looking for a cheap equivalent to Onyx (2133-10)? Here is the scientific comparison, spectrophotometric ΔE score, and exact formula to get this mixed at Home Depot.
โ๏ธ Side-by-Side Visual Comparison
Notice how the human eye perceives both shades under identical D65 daylight.
ΔE: 0.8
Original (premium)$94/gal
Onyx
Benjamin Moore (2133-10)
HEX: #27282A โข LRV: 3.5
Budget Dupe (budget)$48/gal
Abyss
Behr (PPU18-01)
HEX: #262728 โข LRV: 3.2
๐ฏ Editorial Verdict:"Flawless Match (Undetectable difference on wall)"
Light Reflectance difference is only 0.3%. Once painted across an entire room, natural light bounce creates identical atmosphere.
Cost Difference
Save $46/gal (49%)
Technical Specification Comparison
Objective measurements recorded under standard CIE D65 illuminant.
| Metric | Benjamin Moore Onyx | Behr Abyss | Difference / Notes |
|---|---|---|---|
| Hexadecimal Code | #27282A | #262728 | ΔE 0.8 |
| sRGB Coordinates | 39, 40, 42 | 38, 39, 40 | Near-parallel chromaticity |
| LRV (Light Reflectance) | 3.5% | 3.2% | Only 0.3% variance |
| Dominant Undertones | True Pitch Black, Charcoal Noir, Ink | Ink Black, Charcoal Noir, Pure Velvet | Complementary tones |
| Price Per Gallon (MSRP) | $94 | $48 | Save $46/gal |
| Whole House Cost (10 gal) | $940 | $480 | Save $460 Total! |
๐ 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 Behr Marquee/Premium tinted to Abyss (PPU18-01). This is a verified match for Benjamin Moore Onyx (2133-10)."