Code SW 6197 (Aloof Gray) reflects 58.06% of incident D65 light. Measured in CAM16-UCS uniform space, Sherwin-Williams Aloof Gray (SW 6197) registers J'=83.1, a'=-2.01, and b'=3.49 with HSL (60°, 8%, 77%) and Helmholtz-Kohlrausch perceived value 81.1 L*_HK. Because SW 6197 carries a*=-1.61 red-green and b*=4.49 yellow-blue balance at chroma C*=4.77, Aloof Gray projects a warm soft green-beige character across drywall and millwork.
Thermal lighting shifts Sherwin-Williams SW 6197 predictably. Under 5000K noon daylight, Aloof Gray (SW 6197) holds its native #D0C8B8 swatch; at 4000K cool office LED, SW 6197 adapts to #D6C6B0; at 3500K halogen, Aloof Gray transitions to #DBC5AA; at 3000K residential LED, SW 6197 warms to #E1C4A6; and under 2700K evening bulbs, Aloof Gray (SW 6197) settles at #E5C2A2.
When cross-matching Sherwin-Williams Aloof Gray (SW 6197, #C9C9C0), Behr Whitewash Oak (PPU24-12, #CAC9C0, LRV 58%) scores ΔE2000=0.5 and CAM16=0.42, followed by Silver Marlin (N360-2, ΔE=0.51). In Benjamin Moore, Stonington Gray (HC-170, #CACBC5, LRV 59.34%) achieves ΔE2000=1.48 ahead of Silver Song (1557, ΔE=1.76). Coordinate SW 6197 with High Reflective White (SW 7757) ceilings, Alabaster (SW 7008) trim, Futon (SW 7101) hallways, and White Flour (SW 7102) accents.