PaintColorMatcherCIE ΔE2000 & CAT16 Lab
HEX #CDD7DE • LRV 66.73% • CIE D65 2°•
BENJAMIN MOORE ARCHITECTURAL SPEC DECKCODE: 2128-60
Official Benjamin Moore Fan Deck2128-60
SPECTRAL REF. BASE • 5000K ILLUMINANT
Beacon Gray
Cool Coastal Blue-Grey
PREVIEW ILLUMINANT SIMULATION (CAT16):5000K ACTIVE
HEX CODE
RGB VALUES
205, 215, 222
LRV REFLECTANCE
66.73%
HK LIGHTNESS
86 L*
Benjamin Moore Official CatalogFamily: Gray & Greige • Code 2128-60

Benjamin Moore Beacon Gray (2128-60) — Color Review, LRV & Dupes

✓ BENJAMIN MOORE #2128-60 COLORIST BLUF VERDICT

Benjamin Moore Beacon Gray (2128-60) records 66.73% LRV and 86 L*_HK lightness (#CDD7DE, RGB 205/215/222). Its CIELAB coordinates (L*=85.43, a*=-2.03, b*=-4.61, C*=5.04, h°=246.2°) place 2128-60 in the Cool Coastal Blue-Grey class. Top cross-brand matches for Beacon Gray (2128-60) are Behr Pale Cornflower (S520-1, ΔE=0.66) and Sherwin-Williams Mild Blue (SW 6533, ΔE=0.7).

1. LRV INDEX
66.73%
Medium-Light Balanced
2. KILLAM UNDERTONE
Cool Coastal Blue-Grey
Cool Bias Classification
3. CIE CHROMA (C*)
5.04
Muted Architectural
4. HUE ANGLE (h°)
246.2°
CIELAB L* 85.43 a* -2.03 b* -4.61
5. ROOM ORIENTATION
South & West Sun Exposure for 2128-60 (66.73% LRV)
2700K–3000K Warm LED for 2128-60 (4000K renders #DCD4CC)
6. WOOD FLOOR PAIRING
Caramel Bamboo & Roasted Birch offsetting Beacon Gray (66.73% LRV)
Caramel Bamboo & Roasted Birch offsetting Beacon Gray (66.73% LRV)
SIDE-BY-SIDE SPLIT SWATCH VERIFICATION

Closest Cross-Brand Paint Matches to Benjamin Moore Beacon Gray (2128-60)

Benjamin Moore Beacon Gray (2128-60, #CDD7DE) is compared against competitor swatches under ISO/CIE 11664-6 (ΔE2000) and ASTM E308.

Role / BrandPaint Color Name & CodeHEX CodeLRV %Undertone ProfileCIE ΔE 2000
SOURCE (Benjamin Moore)Beacon Gray (2128-60)#CDD7DE66.73%Cool Coastal Blue-Grey0.00 (Ref)
Behr #1Pale Cornflower (S520-1)#CED9E168%Cool Coastal Blue-GreyΔE 0.66 (98.6%)
Behr #2Siberian Ice (MQ3-57)#CFD9DE68%Cool Coastal Blue-GreyΔE 1.10 (97.7%)
Sherwin-Williams #1Mild Blue (SW 6533)#CBD5DB65.28%Cool Coastal Blue-GreyΔE 0.70 (98.5%)
Sherwin-Williams #2Icelandic (SW 6526)#CBD8E167.08%Cool Coastal Blue-GreyΔE 1.24 (97.4%)

Best Behr Equivalents

Top 3 by CIE ΔE2000
SOURCE: Benjamin Moore 2128-60#CDD7DE • LRV 66.73%
MATCH #1: Behr S520-1#CED9E1 • LRV 68%
Behr Pale Cornflower (S520-1)
Cool Coastal Blue-Grey • 98.6% Perceptual Match
ΔE2000: 0.66CAM16: 0.85

Sub-threshold ΔE=0.66 match for 2128-60: Pale Cornflower (S520-1) delivers +1.3 LRV points lighter than Beacon Gray (2128-60) with +0.59 higher C*=5.63 chroma.

SOURCE: Benjamin Moore 2128-60#CDD7DE • LRV 66.73%
MATCH #2: Behr MQ3-57#CFD9DE • LRV 68%
Behr Siberian Ice (MQ3-57)
Cool Coastal Blue-Grey • 97.7% Perceptual Match
ΔE2000: 1.10CAM16: 1.29

Cross-room ΔE=1.1 equivalent for 2128-60: Siberian Ice (MQ3-57) delivers +1.3 LRV points lighter than Beacon Gray (2128-60) with -0.69 softer C*=4.35 chroma.

SOURCE: Benjamin Moore 2128-60#CDD7DE • LRV 66.73%
MATCH #3: Behr ICC-35#CCD7E1 • LRV 67%
Behr Blue Reflection (ICC-35)
Cool Coastal Blue-Grey • 97.2% Perceptual Match
ΔE2000: 1.34CAM16: 1.58

Cross-room ΔE=1.34 equivalent for 2128-60: Blue Reflection (ICC-35) delivers identical 67% reflectance to 2128-60 with +1.4 higher C*=6.44 chroma.

Best Sherwin-Williams Equivalents

Top 3 by CIE ΔE2000
SOURCE: Benjamin Moore 2128-60#CDD7DE • LRV 66.73%
MATCH #1: Sherwin-Williams SW 6533#CBD5DB • LRV 65.28%
Sherwin-Williams Mild Blue (SW 6533)
Cool Coastal Blue-Grey • 98.5% Perceptual Match
ΔE2000: 0.70CAM16: 0.88

Sub-threshold ΔE=0.7 match for 2128-60: Mild Blue (SW 6533) delivers -1.5 LRV points deeper than Beacon Gray (2128-60) with matched C*=4.68 saturation.

SOURCE: Benjamin Moore 2128-60#CDD7DE • LRV 66.73%
MATCH #2: Sherwin-Williams SW 6526#CBD8E1 • LRV 67.08%
Sherwin-Williams Icelandic (SW 6526)
Cool Coastal Blue-Grey • 97.4% Perceptual Match
ΔE2000: 1.24CAM16: 1.47

Cross-room ΔE=1.24 equivalent for 2128-60: Icelandic (SW 6526) delivers identical 67.08% reflectance to 2128-60 with +1.43 higher C*=6.47 chroma.

SOURCE: Benjamin Moore 2128-60#CDD7DE • LRV 66.73%
MATCH #3: Sherwin-Williams SW 6519#CED9DD • LRV 67.86%
Sherwin-Williams Hinting Blue (SW 6519)
Cool Coastal Blue-Grey • 96.3% Perceptual Match
ΔE2000: 1.76CAM16: 1.90

Cross-room ΔE=1.76 equivalent for 2128-60: Hinting Blue (SW 6519) delivers +1.1 LRV points lighter than Beacon Gray (2128-60) with -0.66 softer C*=4.38 chroma.

OU-LUO CHROMATIC HARMONY ENGINE

5-Role Room Palette for Benjamin Moore Beacon Gray (2128-60)

Coordinated ceiling, trim, wall, sightline, and accent pairings for Beacon Gray (#CDD7DE, LRV 66.73%).

LRV 88.41%
Ceiling for 2128-60
Super White
I-02
Sheen: Flat / Matte
LRV 85.17%
Trim for 2128-60
White
OC-151
Sheen: Semi-Gloss / Satin
LRV 66.73%
Beacon Gray (2128-60) Wall
Beacon Gray
2128-60
Sheen: Eggshell / Matte
LRV 45%
Adjoining Room (2128-60)
Celtic Blue
ES-31
Sheen: Eggshell
LRV 39.3%
Accent / Millwork (2128-60)
Pike'S Peak Gray
2127-50
Sheen: Satin / Pearl
Ideal Exposure
South & West Sun Exposure for 2128-60 (66.73% LRV)

Beacon Gray (2128-60, h°=246.2°) tempers intense afternoon sunlight on Benjamin Moore walls.

Wood Floor Pairing
Hardwood & Tile Match

Caramel Bamboo & Roasted Birch offsetting Beacon Gray (66.73% LRV)

Evening LED Spec
Recommended Kelvin

2700K–3000K Warm LED for 2128-60 (4000K renders #DCD4CC)

IN-BRAND VALUE & HUE LADDER

Lighter, Deeper & Crisper Benjamin Moore Alternatives to 2128-60

Need Beacon Gray (2128-60, LRV 66.73%) brighter or deeper? Adjacent Benjamin Moore fan-deck steps around #CDD7DE:

Lighter than 2128-60 (+LRV)
Sheer Bliss (CSP-545)
LRV 70.62% • Cool Coastal Blue-Grey
#D0DDE5
ΔE 1.69
Deeper than 2128-60 (-LRV)
Silver Mist (1619)
LRV 63.13% • Cool Coastal Blue-Grey
#C8D2D6
ΔE 1.95
Warmer than 2128-60 (+b*)
Lavender Wash (CSP-515)
LRV 65.2% • Cool Coastal Blue-Grey
#CFD4D7
ΔE 2.48
Cooler than 2128-60 (-b*)
Lake Placid (827)
LRV 63.59% • Cool Coastal Blue-Grey
#C5D3DF
ΔE 2.52
Architectural Estimator & Procurement

Paint Gallon Calculator & Contractor Mixing Schedule

✓ Standard 350 sq.ft./Gallon Coverage

Calculate exact gallon volume for Benjamin Moore Beacon Gray (2128-60) accounting for standard North American door (21 sq.ft.) and window (15 sq.ft.) deductions.

Net Paintable Area: 360 sq.ft.
REAL-TIME ESTIMATOR RESULT
2.1 Gallons Calculated
Buy 3 Gallons (for ~360 sq.ft.)
Field Contractor SpecificationCSI MASTERFORMAT 09 91 23
Manufacturer & Code:
Benjamin Moore #2128-60
Color Reference Name:
Beacon Gray
Recommended Sheen:
Eggshell (Walls) / Semi-Gloss (Trim)
LRV / Undertone:
66.73% • Cool Coastal Blue-Grey
Benjamin Moore #2128-60 • #CDD7DE • LRV 66.73%

Spectrophotometric & CAT16 Illumination Analysis: Benjamin Moore Beacon Gray (2128-60)

Code 2128-60 (Beacon Gray) reflects 66.73% of incident D65 light. Measured in CAM16-UCS uniform space, Benjamin Moore Beacon Gray (2128-60) registers J'=87.3, a'=-4.38, and b'=-5.88 with HSL (205°, 20%, 84%) and Helmholtz-Kohlrausch perceived value 86 L*_HK. Because 2128-60 carries a*=-2.03 red-green and b*=-4.61 yellow-blue balance at chroma C*=5.04, Beacon Gray projects a cool cool coastal blue-grey character across drywall and millwork.

Thermal lighting shifts Benjamin Moore 2128-60 predictably. Under 5000K noon daylight, Beacon Gray (2128-60) holds its native #D5D6D5 swatch; at 4000K cool office LED, 2128-60 adapts to #DCD4CC; at 3500K halogen, Beacon Gray transitions to #E1D3C6; at 3000K residential LED, 2128-60 warms to #E8D1C1; and under 2700K evening bulbs, Beacon Gray (2128-60) settles at #ECD0BD.

When cross-matching Benjamin Moore Beacon Gray (2128-60, #CDD7DE), Behr Pale Cornflower (S520-1, #CED9E1, LRV 68%) scores ΔE2000=0.66 and CAM16=0.85, followed by Siberian Ice (MQ3-57, ΔE=1.1). In Sherwin-Williams, Mild Blue (SW 6533, #CBD5DB, LRV 65.28%) achieves ΔE2000=0.7 ahead of Icelandic (SW 6526, ΔE=1.24). Coordinate 2128-60 with Super White (I-02) ceilings, White (OC-151) trim, Celtic Blue (ES-31) hallways, and Pike'S Peak Gray (2127-50) accents.

TECHNICAL COLOR BRIEF

Frequently Asked Questions About Benjamin Moore Beacon Gray (2128-60)

Spectrophotometric answers for homeowners, interior designers, and painting contractors specifying Benjamin Moore Beacon Gray.

SPEC 01LRV 66.73% & H-K 86

What is the LRV of Benjamin Moore Beacon Gray (2128-60)?

Benjamin Moore Beacon Gray (2128-60) records an official Light Reflectance Value of 66.73% (#CDD7DE) and a Helmholtz-Kohlrausch perceived lightness of 86 L*_HK.

At 66.73% reflectance, Beacon Gray (2128-60) is a mid-tone Benjamin Moore shade with enough pigment depth (L*=85.43) to hold its #CDD7DE color in bright sun.

CIE ΔE2000 Verified2128-60
SPEC 02CIELAB L*85.43 a*-2.03 b*-4.61

What undertones does Benjamin Moore Beacon Gray (2128-60) have?

CIELAB telemetry (L*=85.43, a*=-2.03, b*=-4.61) classifies Benjamin Moore Beacon Gray (2128-60) as a Cool Cool Coastal Blue-Grey with C*=5.04 chroma and h°=246.2° hue.

Pair Beacon Gray (2128-60) with South & West Sun Exposure for 2128-60 (66.73% LRV) and Caramel Bamboo & Roasted Birch offsetting Beacon Gray (66.73% LRV). Under 2700K evening bulbs, 2128-60 shifts from #CDD7DE toward #ECD0BD.

CIE ΔE2000 Verified2128-60
SPEC 032128-60 CROSS-BRAND DUPES

What is the closest cross-brand paint match to Benjamin Moore Beacon Gray (2128-60)?

Closest verified equivalents to Benjamin Moore Beacon Gray (2128-60, #CDD7DE) are Behr Pale Cornflower (S520-1, #CED9E1) at ΔE2000=0.66 and Sherwin-Williams Mild Blue (SW 6533, #CBD5DB) at ΔE2000=0.7.

Both S520-1 and SW 6533 matches are verified against Beacon Gray (2128-60) in CIE ΔE2000 and CAM16-UCS space.

CIE ΔE2000 Verified2128-60
SPEC 042128-60 TRIM & CEILING

What white trim and ceiling colors go best with Benjamin Moore Beacon Gray (2128-60)?

Alongside Benjamin Moore Beacon Gray (2128-60, LRV 66.73%), our Ou-Luo harmony engine specifies Benjamin Moore White (OC-151, #EDEEEB, LRV 85.17%) in Semi-Gloss or Satin.

Pairing White (OC-151) with Beacon Gray (2128-60) frames door casings and baseboards cleanly.

CIE ΔE2000 Verified2128-60