Code SW 6246 (North Star) reflects 62.27% of incident D65 light. Measured in CAM16-UCS uniform space, Sherwin-Williams North Star (SW 6246) registers J'=85.2, a'=-3.70, and b'=-2.72 with HSL (195°, 8%, 81%) and Helmholtz-Kohlrausch perceived value 83.3 L*_HK. Because SW 6246 carries a*=-1.67 red-green and b*=-1.7 yellow-blue balance at chroma C*=2.38, North Star projects a cool cool coastal blue-grey character across drywall and millwork.
Thermal lighting shifts Sherwin-Williams SW 6246 predictably. Under 5000K noon daylight, North Star (SW 6246) holds its native #D1CFC9 swatch; at 4000K cool office LED, SW 6246 adapts to #D8CDC1; at 3500K halogen, North Star transitions to #DDCCBB; at 3000K residential LED, SW 6246 warms to #E3CAB6; and under 2700K evening bulbs, North Star (SW 6246) settles at #E8C9B2.
When cross-matching Sherwin-Williams North Star (SW 6246, #CAD0D2), Behr Absolute Zero (N490-1, #CBD3D5, LRV 64%) scores ΔE2000=1.08 and CAM16=1.2, followed by Silver Shadow (N510-1, ΔE=1.5). In Benjamin Moore, Early Frost (CSP-590, #C9CED1, LRV 61.11%) achieves ΔE2000=0.92 ahead of Whitestone (2134-60, ΔE=1.14). Coordinate SW 6246 with High Reflective White (SW 7757) ceilings, Alabaster (SW 7008) trim, Ceiling Bright White (SW 7007) hallways, and Roman Column (SW 7562) accents.