Sherwin-Williams Copen Blue (SW 68) records 58.64% LRV and 81.6 L*_HK lightness (#C2CCC4, RGB 194/204/196). Its CIELAB coordinates (L*=81.09, a*=-4.89, b*=2.8, C*=5.63, h°=150.2°) place SW 68 in the Organic Sage Green-Grey class. Top cross-brand matches for Copen Blue (SW 68) are Behr Mountain Falls (N420-2, ΔE=1.72) and Benjamin Moore Silver Marlin (2139-50, ΔE=1.32).
Sherwin-Williams Copen Blue (SW 68, #C2CCC4) 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 (Sherwin-Williams) | Copen Blue (SW 68) | #C2CCC4 | 58.64% | Organic Sage Green-Grey | 0.00 (Ref) |
| Behr #1 | Mountain Falls (N420-2) | #BDCAC0 | 57% | Organic Sage Green-Grey | ΔE 1.72 (96.4%) |
| Behr #2 | Contemplation (700E-3) | #BEC6BB | 55% | Soft Green-Beige | ΔE 2.07 (95.7%) |
| Benjamin Moore #1 | Silver Marlin (2139-50) | #C0C8C1 | 56.37% | Soft Green-Beige | ΔE 1.32 (97.2%) |
| Benjamin Moore #2 | Quiet Moments (1563) | #C7CFC8 | 60.94% | Soft Green-Beige | ΔE 1.33 (97.2%) |
Cross-room ΔE=1.72 equivalent for SW 68: Mountain Falls (N420-2) delivers -1.6 LRV points deeper than Copen Blue (SW 68) with +1.56 higher C*=7.19 chroma.
Visual ΔE=2.07 alternative to SW 68: Contemplation (700E-3) delivers -3.6 LRV points deeper than Copen Blue (SW 68) with +0.97 higher C*=6.6 chroma.
Visual ΔE=2.31 alternative to SW 68: Shy Green (MQ3-48) delivers +4.4 LRV points lighter than Copen Blue (SW 68) with +0.74 higher C*=6.37 chroma.
Cross-room ΔE=1.32 equivalent for SW 68: Silver Marlin (2139-50) delivers -2.3 LRV points deeper than Copen Blue (SW 68) with -0.86 softer C*=4.77 chroma.
Cross-room ΔE=1.33 equivalent for SW 68: Quiet Moments (1563) delivers +2.3 LRV points lighter than Copen Blue (SW 68) with -0.89 softer C*=4.74 chroma.
Cross-room ΔE=1.33 equivalent for SW 68: Smoky Green (CC-700) delivers +2.3 LRV points lighter than Copen Blue (SW 68) with -0.89 softer C*=4.74 chroma.
Coordinated ceiling, trim, wall, sightline, and accent pairings for Copen Blue (#C2CCC4, LRV 58.64%).
Copen Blue (SW 68, h°=150.2°) tempers intense afternoon sunlight on Sherwin-Williams walls.
Heart Pine & Medium Saddle Stained Oak paired with SW 68
2700K–3000K Warm LED for SW 68 (4000K renders #D0C9B3)
Need Copen Blue (SW 68, LRV 58.64%) brighter or deeper? Adjacent Sherwin-Williams fan-deck steps around #C2CCC4:
Calculate exact gallon volume for Sherwin-Williams Copen Blue (SW 68) accounting for standard North American door (21 sq.ft.) and window (15 sq.ft.) deductions.
Code SW 68 (Copen Blue) reflects 58.64% of incident D65 light. Measured in CAM16-UCS uniform space, Sherwin-Williams Copen Blue (SW 68) registers J'=83.3, a'=-6.17, and b'=2.12 with HSL (132°, 9%, 78%) and Helmholtz-Kohlrausch perceived value 81.6 L*_HK. Because SW 68 carries a*=-4.89 red-green and b*=2.8 yellow-blue balance at chroma C*=5.63, Copen Blue projects a cool organic sage green-grey character across drywall and millwork.
Thermal lighting shifts Sherwin-Williams SW 68 predictably. Under 5000K noon daylight, Copen Blue (SW 68) holds its native #C9CBBC swatch; at 4000K cool office LED, SW 68 adapts to #D0C9B3; at 3500K halogen, Copen Blue transitions to #D5C8AE; at 3000K residential LED, SW 68 warms to #DBC7A9; and under 2700K evening bulbs, Copen Blue (SW 68) settles at #E0C5A6.
When cross-matching Sherwin-Williams Copen Blue (SW 68, #C2CCC4), Behr Mountain Falls (N420-2, #BDCAC0, LRV 57%) scores ΔE2000=1.72 and CAM16=1.66, followed by Contemplation (700E-3, ΔE=2.07). In Benjamin Moore, Silver Marlin (2139-50, #C0C8C1, LRV 56.37%) achieves ΔE2000=1.32 ahead of Quiet Moments (1563, ΔE=1.33). Coordinate SW 68 with High Reflective White (SW 7757) ceilings, Alabaster (SW 7008) trim, Glimmer (SW 6476) hallways, and Extra White (SW 7006) accents.
Spectrophotometric answers for homeowners, interior designers, and painting contractors specifying Sherwin-Williams Copen Blue.
Sherwin-Williams Copen Blue (SW 68) records an official Light Reflectance Value of 58.64% (#C2CCC4) and a Helmholtz-Kohlrausch perceived lightness of 81.6 L*_HK.
At 58.64% reflectance, Copen Blue (SW 68) is a mid-tone Sherwin-Williams shade with enough pigment depth (L*=81.09) to hold its #C2CCC4 color in bright sun.
CIELAB telemetry (L*=81.09, a*=-4.89, b*=2.8) classifies Sherwin-Williams Copen Blue (SW 68) as a Cool Organic Sage Green-Grey with C*=5.63 chroma and h°=150.2° hue.
Pair Copen Blue (SW 68) with South & West Sun Exposure for SW 68 (58.64% LRV) and Heart Pine & Medium Saddle Stained Oak paired with SW 68. Under 2700K evening bulbs, SW 68 shifts from #C2CCC4 toward #E0C5A6.
Closest verified equivalents to Sherwin-Williams Copen Blue (SW 68, #C2CCC4) are Behr Mountain Falls (N420-2, #BDCAC0) at ΔE2000=1.72 and Benjamin Moore Silver Marlin (2139-50, #C0C8C1) at ΔE2000=1.32.
Both N420-2 and 2139-50 matches are verified against Copen Blue (SW 68) in CIE ΔE2000 and CAM16-UCS space.
Alongside Sherwin-Williams Copen Blue (SW 68, LRV 58.64%), our Ou-Luo harmony engine specifies Sherwin-Williams Alabaster (SW 7008, #EDEAE0, LRV 82.35%) in Semi-Gloss or Satin.
Pairing Alabaster (SW 7008) with Copen Blue (SW 68) frames door casings and baseboards cleanly.