Code SW 6484 (Meander Blue) reflects 66.4% of incident D65 light. Measured in CAM16-UCS uniform space, Sherwin-Williams Meander Blue (SW 6484) registers J'=86.9, a'=-12.10, and b'=-2.39 with HSL (174°, 29%, 80%) and Helmholtz-Kohlrausch perceived value 86.3 L*_HK. Because SW 6484 carries a*=-10.15 red-green and b*=-1.76 yellow-blue balance at chroma C*=10.3, Meander Blue projects a cool organic sage green-grey character across drywall and millwork.
Thermal lighting shifts Sherwin-Williams SW 6484 predictably. Under 5000K noon daylight, Meander Blue (SW 6484) holds its native #C6DACF swatch; at 4000K cool office LED, SW 6484 adapts to #CED8C6; at 3500K halogen, Meander Blue transitions to #D3D7C0; at 3000K residential LED, SW 6484 warms to #DAD5BB; and under 2700K evening bulbs, Meander Blue (SW 6484) settles at #DFD4B7.
When cross-matching Sherwin-Williams Meander Blue (SW 6484, #BEDBD8), Behr Oceanic Climate (N470-2, #BCDAD7, LRV 65.57%) scores ΔE2000=0.4 and CAM16=0.49, followed by Tidewater (M450-2, ΔE=2.43). In Benjamin Moore, Spring Sky (674, #B7D6D3, LRV 62.69%) achieves ΔE2000=1.4 ahead of Dolphin'S Cove (722, ΔE=1.61). Coordinate SW 6484 with High Reflective White (SW 7757) ceilings, Ceiling Bright White (SW 7007) trim, Festoon Aqua (SW 19) hallways, and Drizzle (SW 6479) accents.