Sherwin-Williams Blue Horizon (SW 6497) records 77.36% LRV and 91 L*_HK lightness (#D8E7E6, RGB 216/231/230). Its CIELAB coordinates (L*=90.53, a*=-5.15, b*=-1.23, C*=5.29, h°=193.4°) place SW 6497 in the Organic Sage Green-Grey class. Top cross-brand matches for Blue Horizon (SW 6497) are Behr Wave Crest (540E-1, ΔE=1.51) and Benjamin Moore Ocean Air (2123-50, ΔE=1.44).
Sherwin-Williams Blue Horizon (SW 6497, #D8E7E6) 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) | Blue Horizon (SW 6497) | #D8E7E6 | 77.36% | Organic Sage Green-Grey | 0.00 (Ref) |
| Behr #1 | Wave Crest (540E-1) | #DCE9EA | 79% | Cool Coastal Blue-Grey | ΔE 1.51 (96.8%) |
| Behr #2 | Crystalline Falls (MQ3-51) | #D9E6E2 | 77% | Organic Sage Green-Grey | ΔE 1.52 (96.8%) |
| Benjamin Moore #1 | Ocean Air (2123-50) | #D3E1E1 | 73.04% | Organic Sage Green-Grey | ΔE 1.44 (97%) |
| Benjamin Moore #2 | Whispering Spring (2136-70) | #DCE7E6 | 78.01% | Organic Sage Green-Grey | ΔE 1.55 (96.7%) |
Cross-room ΔE=1.51 equivalent for SW 6497: Wave Crest (540E-1) delivers +1.6 LRV points lighter than Blue Horizon (SW 6497) with -0.72 softer C*=4.57 chroma.
Cross-room ΔE=1.52 equivalent for SW 6497: Crystalline Falls (MQ3-51) delivers identical 77% reflectance to SW 6497 with matched C*=5.08 saturation.
Cross-room ΔE=1.57 equivalent for SW 6497: Aqua Breeze (500E-2) delivers identical 78% reflectance to SW 6497 with +0.75 higher C*=6.04 chroma.
Cross-room ΔE=1.44 equivalent for SW 6497: Ocean Air (2123-50) delivers -4.3 LRV points deeper than Blue Horizon (SW 6497) with matched C*=4.93 saturation.
Cross-room ΔE=1.55 equivalent for SW 6497: Whispering Spring (2136-70) delivers identical 78.01% reflectance to SW 6497 with -1.37 softer C*=3.92 chroma.
Cross-room ΔE=1.67 equivalent for SW 6497: In Your Eyes (715) delivers -1 LRV points deeper than Blue Horizon (SW 6497) with -1.07 softer C*=4.22 chroma.
Coordinated ceiling, trim, wall, sightline, and accent pairings for Blue Horizon (#D8E7E6, LRV 77.36%).
Blue Horizon (SW 6497, h°=193.4°) tempers intense afternoon sunlight on Sherwin-Williams walls.
Heart Pine & Medium Saddle Stained Oak paired with SW 6497
2700K–3000K Warm LED for SW 6497 (4000K renders #E8E4D3)
Need Blue Horizon (SW 6497, LRV 77.36%) brighter or deeper? Adjacent Sherwin-Williams fan-deck steps around #D8E7E6:
Calculate exact gallon volume for Sherwin-Williams Blue Horizon (SW 6497) accounting for standard North American door (21 sq.ft.) and window (15 sq.ft.) deductions.
Code SW 6497 (Blue Horizon) reflects 77.36% of incident D65 light. Measured in CAM16-UCS uniform space, Sherwin-Williams Blue Horizon (SW 6497) registers J'=91.8, a'=-7.50, and b'=-1.98 with HSL (176°, 24%, 88%) and Helmholtz-Kohlrausch perceived value 91 L*_HK. Because SW 6497 carries a*=-5.15 red-green and b*=-1.23 yellow-blue balance at chroma C*=5.29, Blue Horizon projects a cool organic sage green-grey character across drywall and millwork.
Thermal lighting shifts Sherwin-Williams SW 6497 predictably. Under 5000K noon daylight, Blue Horizon (SW 6497) holds its native #E0E5DD swatch; at 4000K cool office LED, SW 6497 adapts to #E8E4D3; at 3500K halogen, Blue Horizon transitions to #EEE3CD; at 3000K residential LED, SW 6497 warms to #F4E1C7; and under 2700K evening bulbs, Blue Horizon (SW 6497) settles at #FAE0C3.
When cross-matching Sherwin-Williams Blue Horizon (SW 6497, #D8E7E6), Behr Wave Crest (540E-1, #DCE9EA, LRV 79%) scores ΔE2000=1.51 and CAM16=1.51, followed by Crystalline Falls (MQ3-51, ΔE=1.52). In Benjamin Moore, Ocean Air (2123-50, #D3E1E1, LRV 73.04%) achieves ΔE2000=1.44 ahead of Whispering Spring (2136-70, ΔE=1.55). Coordinate SW 6497 with High Reflective White (SW 7757) ceilings, Ceiling Bright White (SW 7007) trim, Watery (SW 6478) hallways, and Rain (SW 6219) accents.
Spectrophotometric answers for homeowners, interior designers, and painting contractors specifying Sherwin-Williams Blue Horizon.
Sherwin-Williams Blue Horizon (SW 6497) records an official Light Reflectance Value of 77.36% (#D8E7E6) and a Helmholtz-Kohlrausch perceived lightness of 91 L*_HK.
At 77.36% reflectance, Blue Horizon (SW 6497) sits in the high-reflectance architectural tier, bouncing daylight across Sherwin-Williams walls while maintaining HSL (176°, 24%, 88%).
CIELAB telemetry (L*=90.53, a*=-5.15, b*=-1.23) classifies Sherwin-Williams Blue Horizon (SW 6497) as a Cool Organic Sage Green-Grey with C*=5.29 chroma and h°=193.4° hue.
Pair Blue Horizon (SW 6497) with South & West Sun Exposure for SW 6497 (77.36% LRV) and Heart Pine & Medium Saddle Stained Oak paired with SW 6497. Under 2700K evening bulbs, SW 6497 shifts from #D8E7E6 toward #FAE0C3.
Closest verified equivalents to Sherwin-Williams Blue Horizon (SW 6497, #D8E7E6) are Behr Wave Crest (540E-1, #DCE9EA) at ΔE2000=1.51 and Benjamin Moore Ocean Air (2123-50, #D3E1E1) at ΔE2000=1.44.
Both 540E-1 and 2123-50 matches are verified against Blue Horizon (SW 6497) in CIE ΔE2000 and CAM16-UCS space.
Alongside Sherwin-Williams Blue Horizon (SW 6497, LRV 77.36%), our Ou-Luo harmony engine specifies Sherwin-Williams Ceiling Bright White (SW 7007, #E9EBE7, LRV 82.53%) in Semi-Gloss or Satin.
Pairing Ceiling Bright White (SW 7007) with Blue Horizon (SW 6497) frames door casings and baseboards cleanly.