Code SW 7029 (Agreeable Gray) reflects 60.23% of incident D65 light. Measured in CAM16-UCS uniform space, Sherwin-Williams Agreeable Gray (SW 7029) registers J'=84.3, a'=0.11, and b'=4.12 with HSL (37°, 15%, 79%) and Helmholtz-Kohlrausch perceived value 82.3 L*_HK. Because SW 7029 carries a*=0.33 red-green and b*=5.72 yellow-blue balance at chroma C*=5.73, Agreeable Gray projects a warm warm yellow-cream character across drywall and millwork.
Thermal lighting shifts Sherwin-Williams SW 7029 predictably. Under 5000K noon daylight, Agreeable Gray (SW 7029) holds its native #D8CAB9 swatch; at 4000K cool office LED, SW 7029 adapts to #DEC8B1; at 3500K halogen, Agreeable Gray transitions to #E3C7AB; at 3000K residential LED, SW 7029 warms to #E9C5A6; and under 2700K evening bulbs, Agreeable Gray (SW 7029) settles at #EDC4A3.
When cross-matching Sherwin-Williams Agreeable Gray (SW 7029, #D1CBC1), Behr Cotton Grey (HDC-NT-20, #D1CCC3, LRV 61%) scores ΔE2000=0.6 and CAM16=0.54, followed by Tranquil Gray (DC-007, ΔE=0.8). In Benjamin Moore, Collingwood (859, #D3CEC4, LRV 62.09%) achieves ΔE2000=0.85 ahead of Collingwood (OC-28, ΔE=0.85). Coordinate SW 7029 with High Reflective White (SW 7757) ceilings, Pure White (SW 7005) trim, Marshmallow (SW 7001) hallways, and White Flour (SW 7102) accents.