Benjamin Moore Blue Grass (CC-640) records 61.13% LRV and 83.2 L*_HK lightness (#C2D1C6, RGB 194/209/198). Its CIELAB coordinates (L*=82.46, a*=-7.13, b*=3.71, C*=8.04, h°=152.5°) place CC-640 in the Organic Sage Green-Grey class. Top cross-brand matches for Blue Grass (CC-640) are Behr Frosted Jade (PPU11-13, ΔE=0.82) and Sherwin-Williams Slow Green (SW 6456, ΔE=1.02).
Benjamin Moore Blue Grass (CC-640, #C2D1C6) 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 Grass (CC-640) | #C2D1C6 | 61.13% | Organic Sage Green-Grey | 0.00 (Ref) |
| Behr #1 | Frosted Jade (PPU11-13) | #C2D1C4 | 61% | Soft Green-Beige | ΔE 0.82 (98.3%) |
| Behr #2 | Frosted Sage (N400-2) | #C6D1C4 | 61% | Soft Green-Beige | ΔE 1.69 (96.5%) |
| Sherwin-Williams #1 | Slow Green (SW 6456) | #C6D5C9 | 63.81% | Organic Sage Green-Grey | ΔE 1.02 (97.9%) |
| Sherwin-Williams #2 | Waterscape (SW 6470) | #BFD2C9 | 61.33% | Organic Sage Green-Grey | ΔE 1.61 (96.6%) |
Sub-threshold ΔE=0.82 match for CC-640: Frosted Jade (PPU11-13) delivers identical 61% reflectance to CC-640 with +0.8 higher C*=8.84 chroma.
Cross-room ΔE=1.69 equivalent for CC-640: Frosted Sage (N400-2) delivers identical 61% reflectance to CC-640 with matched C*=8 saturation.
Cross-room ΔE=1.7 equivalent for CC-640: Valley Mist (460E-2) delivers +2.9 LRV points lighter than Blue Grass (CC-640) with -1.16 softer C*=6.88 chroma.
Cross-room ΔE=1.02 equivalent for CC-640: Slow Green (SW 6456) delivers +2.7 LRV points lighter than Blue Grass (CC-640) with matched C*=8.4 saturation.
Cross-room ΔE=1.61 equivalent for CC-640: Waterscape (SW 6470) delivers identical 61.33% reflectance to CC-640 with matched C*=8.41 saturation.
Visual ΔE=2.22 alternative to CC-640: Rainwashed (SW 6211) delivers -2 LRV points deeper than Blue Grass (CC-640) with -2.16 softer C*=5.88 chroma.
Coordinated ceiling, trim, wall, sightline, and accent pairings for Blue Grass (#C2D1C6, LRV 61.13%).
Blue Grass (CC-640, h°=152.5°) tempers intense afternoon sunlight on Benjamin Moore walls.
Warm American Cherry & Cognac Hickory next to CC-640 (#C2D1C6)
2700K–3000K Warm LED for CC-640 (4000K renders #D0CEB5)
Need Blue Grass (CC-640, LRV 61.13%) brighter or deeper? Adjacent Benjamin Moore fan-deck steps around #C2D1C6:
Calculate exact gallon volume for Benjamin Moore Blue Grass (CC-640) accounting for standard North American door (21 sq.ft.) and window (15 sq.ft.) deductions.
Code CC-640 (Blue Grass) reflects 61.13% of incident D65 light. Measured in CAM16-UCS uniform space, Benjamin Moore Blue Grass (CC-640) registers J'=84.5, a'=-8.17, and b'=2.76 with HSL (136°, 14%, 79%) and Helmholtz-Kohlrausch perceived value 83.2 L*_HK. Because CC-640 carries a*=-7.13 red-green and b*=3.71 yellow-blue balance at chroma C*=8.04, Blue Grass projects a cool organic sage green-grey character across drywall and millwork.
Thermal lighting shifts Benjamin Moore CC-640 predictably. Under 5000K noon daylight, Blue Grass (CC-640) holds its native #CAD0BE swatch; at 4000K cool office LED, CC-640 adapts to #D0CEB5; at 3500K halogen, Blue Grass transitions to #D6CDB0; at 3000K residential LED, CC-640 warms to #DCCBAB; and under 2700K evening bulbs, Blue Grass (CC-640) settles at #E0CAA8.
When cross-matching Benjamin Moore Blue Grass (CC-640, #C2D1C6), Behr Frosted Jade (PPU11-13, #C2D1C4, LRV 61%) scores ΔE2000=0.82 and CAM16=0.8, followed by Frosted Sage (N400-2, ΔE=1.69). In Sherwin-Williams, Slow Green (SW 6456, #C6D5C9, LRV 63.81%) achieves ΔE2000=1.02 ahead of Waterscape (SW 6470, ΔE=1.61). Coordinate CC-640 with Ice Mist (2123-70) ceilings, White (PM-2) trim, Carried Away (849) hallways, and CrèMe De Mint (2036-70) accents.
Spectrophotometric answers for homeowners, interior designers, and painting contractors specifying Benjamin Moore Blue Grass.
Benjamin Moore Blue Grass (CC-640) records an official Light Reflectance Value of 61.13% (#C2D1C6) and a Helmholtz-Kohlrausch perceived lightness of 83.2 L*_HK.
At 61.13% reflectance, Blue Grass (CC-640) is a mid-tone Benjamin Moore shade with enough pigment depth (L*=82.46) to hold its #C2D1C6 color in bright sun.
CIELAB telemetry (L*=82.46, a*=-7.13, b*=3.71) classifies Benjamin Moore Blue Grass (CC-640) as a Cool Organic Sage Green-Grey with C*=8.04 chroma and h°=152.5° hue.
Pair Blue Grass (CC-640) with South & West Sun Exposure for CC-640 (61.13% LRV) and Warm American Cherry & Cognac Hickory next to CC-640 (#C2D1C6). Under 2700K evening bulbs, CC-640 shifts from #C2D1C6 toward #E0CAA8.
Closest verified equivalents to Benjamin Moore Blue Grass (CC-640, #C2D1C6) are Behr Frosted Jade (PPU11-13, #C2D1C4) at ΔE2000=0.82 and Sherwin-Williams Slow Green (SW 6456, #C6D5C9) at ΔE2000=1.02.
Both PPU11-13 and SW 6456 matches are verified against Blue Grass (CC-640) in CIE ΔE2000 and CAM16-UCS space.
Alongside Benjamin Moore Blue Grass (CC-640, LRV 61.13%), our Ou-Luo harmony engine specifies Benjamin Moore White (PM-2, #EDEEEB, LRV 85.17%) in Semi-Gloss or Satin.
Pairing White (PM-2) with Blue Grass (CC-640) frames door casings and baseboards cleanly.