Behr Celtic Gray (490E-3) records 63% LRV and 84.3 L*_HK lightness (#C5D4CE, RGB 197/212/206). Its CIELAB coordinates (L*=83.66, a*=-6.18, b*=1.22, C*=6.3, h°=168.8°) place 490E-3 in the Organic Sage Green-Grey class. Top cross-brand matches for Celtic Gray (490E-3) are Benjamin Moore Woodlawn Blue (HC-147, ΔE=0.97) and Sherwin-Williams Tidewater (SW 6477, ΔE=1.95).
Behr Celtic Gray (490E-3, #C5D4CE) 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 (Behr) | Celtic Gray (490E-3) | #C5D4CE | 63% | Organic Sage Green-Grey | 0.00 (Ref) |
| Benjamin Moore #1 | Woodlawn Blue (HC-147) | #C1D0CA | 60.66% | Organic Sage Green-Grey | ΔE 0.97 (98%) |
| Benjamin Moore #2 | White Rain (708) | #C8D8D1 | 65.94% | Organic Sage Green-Grey | ΔE 1.07 (97.8%) |
| Sherwin-Williams #1 | Tidewater (SW 6477) | #C3D7D3 | 64.81% | Organic Sage Green-Grey | ΔE 1.95 (95.9%) |
| Sherwin-Williams #2 | Waterscape (SW 6470) | #BFD2C9 | 61.33% | Organic Sage Green-Grey | ΔE 2.20 (95.4%) |
Sub-threshold ΔE=0.97 match for 490E-3: Woodlawn Blue (HC-147) delivers -2.3 LRV points deeper than Celtic Gray (490E-3) with matched C*=6.32 saturation.
Cross-room ΔE=1.07 equivalent for 490E-3: White Rain (708) delivers +2.9 LRV points lighter than Celtic Gray (490E-3) with +0.57 higher C*=6.87 chroma.
Cross-room ΔE=1.24 equivalent for 490E-3: Annapolis Green (687) delivers -1.2 LRV points deeper than Celtic Gray (490E-3) with matched C*=6.48 saturation.
Cross-room ΔE=1.95 equivalent for 490E-3: Tidewater (SW 6477) delivers +1.8 LRV points lighter than Celtic Gray (490E-3) with +1.16 higher C*=7.46 chroma.
Visual ΔE=2.2 alternative to 490E-3: Waterscape (SW 6470) delivers -1.7 LRV points deeper than Celtic Gray (490E-3) with +2.11 higher C*=8.41 chroma.
Visual ΔE=2.28 alternative to 490E-3: Rainwashed (SW 6211) delivers -3.9 LRV points deeper than Celtic Gray (490E-3) with matched C*=5.88 saturation.
Coordinated ceiling, trim, wall, sightline, and accent pairings for Celtic Gray (#C5D4CE, LRV 63%).
Celtic Gray (490E-3, h°=168.8°) tempers intense afternoon sunlight on Behr walls.
Heart Pine & Medium Saddle Stained Oak paired with 490E-3
2700K–3000K Warm LED for 490E-3 (4000K renders #D4D1BD)
Need Celtic Gray (490E-3, LRV 63%) brighter or deeper? Adjacent Behr fan-deck steps around #C5D4CE:
Calculate exact gallon volume for Behr Celtic Gray (490E-3) accounting for standard North American door (21 sq.ft.) and window (15 sq.ft.) deductions.
Code 490E-3 (Celtic Gray) reflects 63% of incident D65 light. Measured in CAM16-UCS uniform space, Behr Celtic Gray (490E-3) registers J'=85.6, a'=-7.94, and b'=0.55 with HSL (156°, 15%, 80%) and Helmholtz-Kohlrausch perceived value 84.3 L*_HK. Because 490E-3 carries a*=-6.18 red-green and b*=1.22 yellow-blue balance at chroma C*=6.3, Celtic Gray projects a cool organic sage green-grey character across drywall and millwork.
Thermal lighting shifts Behr 490E-3 predictably. Under 5000K noon daylight, Celtic Gray (490E-3) holds its native #CDD3C5 swatch; at 4000K cool office LED, 490E-3 adapts to #D4D1BD; at 3500K halogen, Celtic Gray transitions to #D9D0B7; at 3000K residential LED, 490E-3 warms to #DFCEB2; and under 2700K evening bulbs, Celtic Gray (490E-3) settles at #E4CDAF.
When cross-matching Behr Celtic Gray (490E-3, #C5D4CE), Benjamin Moore Woodlawn Blue (HC-147, #C1D0CA, LRV 60.66%) scores ΔE2000=0.97 and CAM16=1.31, followed by White Rain (708, ΔE=1.07). In Sherwin-Williams, Tidewater (SW 6477, #C3D7D3, LRV 64.81%) achieves ΔE2000=1.95 ahead of Waterscape (SW 6470, ΔE=2.2). Coordinate 490E-3 with Bakery Box (BL-W9) ceilings, Ambience White (PR-W8) trim, Glacier Bay (500A-1) hallways, and Ethereal White (BL-W4) accents.
Spectrophotometric answers for homeowners, interior designers, and painting contractors specifying Behr Celtic Gray.
Behr Celtic Gray (490E-3) records an official Light Reflectance Value of 63% (#C5D4CE) and a Helmholtz-Kohlrausch perceived lightness of 84.3 L*_HK.
At 63% reflectance, Celtic Gray (490E-3) is a mid-tone Behr shade with enough pigment depth (L*=83.66) to hold its #C5D4CE color in bright sun.
CIELAB telemetry (L*=83.66, a*=-6.18, b*=1.22) classifies Behr Celtic Gray (490E-3) as a Cool Organic Sage Green-Grey with C*=6.3 chroma and h°=168.8° hue.
Pair Celtic Gray (490E-3) with South & West Sun Exposure for 490E-3 (63% LRV) and Heart Pine & Medium Saddle Stained Oak paired with 490E-3. Under 2700K evening bulbs, 490E-3 shifts from #C5D4CE toward #E4CDAF.
Closest verified equivalents to Behr Celtic Gray (490E-3, #C5D4CE) are Benjamin Moore Woodlawn Blue (HC-147, #C1D0CA) at ΔE2000=0.97 and Sherwin-Williams Tidewater (SW 6477, #C3D7D3) at ΔE2000=1.95.
Both HC-147 and SW 6477 matches are verified against Celtic Gray (490E-3) in CIE ΔE2000 and CAM16-UCS space.
Alongside Behr Celtic Gray (490E-3, LRV 63%), our Ou-Luo harmony engine specifies Behr Ambience White (PR-W8, #EBECEC, LRV 83.7%) in Semi-Gloss or Satin.
Pairing Ambience White (PR-W8) with Celtic Gray (490E-3) frames door casings and baseboards cleanly.