Benjamin Moore Blue Ice (821) records 58.21% LRV and 82.3 L*_HK lightness (#BACBDF, RGB 186/203/223). Its CIELAB coordinates (L*=81, a*=-1.66, b*=-11.85, C*=11.97, h°=262°) place 821 in the Cool Violet-Grey class. Top cross-brand matches for Blue Ice (821) are Behr Sky's The Limit (M530-2, ΔE=1.53) and Sherwin-Williams Wondrous Blue (SW 6807, ΔE=2.78).
Benjamin Moore Blue Ice (821, #BACBDF) is compared against competitor swatches under ISO/CIE 11664-6 (ΔE2000) and ASTM E308.
| Role / Brand | Paint Color Name & Code | HEX Code | LRV % | Undertone Profile | CIE ΔE 2000 |
|---|---|---|---|---|---|
| SOURCE (Benjamin Moore) | Blue Ice (821) | #BACBDF | 58.21% | Cool Violet-Grey | 0.00 (Ref) |
| Behr #1 | Sky's The Limit (M530-2) | #BBCEE0 | 60% | Cool Coastal Blue-Grey | ΔE 1.53 (96.8%) |
| Behr #2 | Melody (UL240-14) | #BDCAD8 | 57.83% | Cool Coastal Blue-Grey | ΔE 2.33 (95.1%) |
| Sherwin-Williams #1 | Wondrous Blue (SW 6807) | #B8CDDD | 58.81% | Cool Coastal Blue-Grey | ΔE 2.78 (94.2%) |
| Sherwin-Williams #2 | Breathtaking (SW 6814) | #C7D1E2 | 63.03% | Cool Violet-Grey | ΔE 3.08 (93.5%) |
Cross-room ΔE=1.53 equivalent for 821: Sky's The Limit (M530-2) delivers +1.8 LRV points lighter than Blue Ice (821) with -0.58 softer C*=11.39 chroma.
Visual ΔE=2.33 alternative to 821: Melody (UL240-14) delivers identical 57.83% reflectance to 821 with -3.35 softer C*=8.62 chroma.
Visual ΔE=2.99 alternative to 821: Monet (PPU15-17) delivers +2.8 LRV points lighter than Blue Ice (821) with -4.01 softer C*=7.96 chroma.
Visual ΔE=2.78 alternative to 821: Wondrous Blue (SW 6807) delivers identical 58.81% reflectance to 821 with -0.99 softer C*=10.98 chroma.
Visual ΔE=3.08 alternative to 821: Breathtaking (SW 6814) delivers +4.8 LRV points lighter than Blue Ice (821) with -2.43 softer C*=9.54 chroma.
Visual ΔE=3.24 alternative to 821: Blissful Blue (SW 6527) delivers -2.7 LRV points deeper than Blue Ice (821) with -0.74 softer C*=11.23 chroma.
Coordinated ceiling, trim, wall, sightline, and accent pairings for Blue Ice (#BACBDF, LRV 58.21%).
Blue Ice (821, h°=262°) tempers intense afternoon sunlight on Benjamin Moore walls.
Caramel Bamboo & Roasted Birch offsetting Blue Ice (58.21% LRV)
2700K–3000K Warm LED for 821 (4000K renders #C8C9CD)
Need Blue Ice (821, LRV 58.21%) brighter or deeper? Adjacent Benjamin Moore fan-deck steps around #BACBDF:
Calculate exact gallon volume for Benjamin Moore Blue Ice (821) accounting for standard North American door (21 sq.ft.) and window (15 sq.ft.) deductions.
Code 821 (Blue Ice) reflects 58.21% of incident D65 light. Measured in CAM16-UCS uniform space, Benjamin Moore Blue Ice (821) registers J'=83.3, a'=-4.43, and b'=-12.26 with HSL (212°, 37%, 80%) and Helmholtz-Kohlrausch perceived value 82.3 L*_HK. Because 821 carries a*=-1.66 red-green and b*=-11.85 yellow-blue balance at chroma C*=11.97, Blue Ice projects a cool cool violet-grey character across drywall and millwork.
Thermal lighting shifts Benjamin Moore 821 predictably. Under 5000K noon daylight, Blue Ice (821) holds its native #C2CAD6 swatch; at 4000K cool office LED, 821 adapts to #C8C9CD; at 3500K halogen, Blue Ice transitions to #CEC7C7; at 3000K residential LED, 821 warms to #D4C6C2; and under 2700K evening bulbs, Blue Ice (821) settles at #D8C5BE.
When cross-matching Benjamin Moore Blue Ice (821, #BACBDF), Behr Sky's The Limit (M530-2, #BBCEE0, LRV 60%) scores ΔE2000=1.53 and CAM16=1.54, followed by Melody (UL240-14, ΔE=2.33). In Sherwin-Williams, Wondrous Blue (SW 6807, #B8CDDD, LRV 58.81%) achieves ΔE2000=2.78 ahead of Breathtaking (SW 6814, ΔE=3.08). Coordinate 821 with White Opulence (OC-69) ceilings, Wedding Veil (2125-70) trim, White Satin (2067-70) hallways, and Ice Mist (2123-70) accents.
Spectrophotometric answers for homeowners, interior designers, and painting contractors specifying Benjamin Moore Blue Ice.
Benjamin Moore Blue Ice (821) records an official Light Reflectance Value of 58.21% (#BACBDF) and a Helmholtz-Kohlrausch perceived lightness of 82.3 L*_HK.
At 58.21% reflectance, Blue Ice (821) is a mid-tone Benjamin Moore shade with enough pigment depth (L*=81) to hold its #BACBDF color in bright sun.
CIELAB telemetry (L*=81, a*=-1.66, b*=-11.85) classifies Benjamin Moore Blue Ice (821) as a Cool Cool Violet-Grey with C*=11.97 chroma and h°=262° hue.
Pair Blue Ice (821) with South & West Sun Exposure for 821 (58.21% LRV) and Caramel Bamboo & Roasted Birch offsetting Blue Ice (58.21% LRV). Under 2700K evening bulbs, 821 shifts from #BACBDF toward #D8C5BE.
Closest verified equivalents to Benjamin Moore Blue Ice (821, #BACBDF) are Behr Sky's The Limit (M530-2, #BBCEE0) at ΔE2000=1.53 and Sherwin-Williams Wondrous Blue (SW 6807, #B8CDDD) at ΔE2000=2.78.
Both M530-2 and SW 6807 matches are verified against Blue Ice (821) in CIE ΔE2000 and CAM16-UCS space.
Alongside Benjamin Moore Blue Ice (821, LRV 58.21%), our Ou-Luo harmony engine specifies Benjamin Moore Wedding Veil (2125-70, #EEF0EE, LRV 86.67%) in Semi-Gloss or Satin.
Pairing Wedding Veil (2125-70) with Blue Ice (821) frames door casings and baseboards cleanly.