Code SW 7596 (Only Natural) reflects 66.97% of incident D65 light. Measured in CAM16-UCS uniform space, Sherwin-Williams Only Natural (SW 7596) registers J'=87.5, a'=2.29, and b'=6.23 with HSL (30°, 34%, 83%) and Helmholtz-Kohlrausch perceived value 86 L*_HK. Because SW 7596 carries a*=2.7 red-green and b*=9.29 yellow-blue balance at chroma C*=9.67, Only Natural projects a warm warm yellow-cream character across drywall and millwork.
Thermal lighting shifts Sherwin-Williams SW 7596 predictably. Under 5000K noon daylight, Only Natural (SW 7596) holds its native #E9D2BC swatch; at 4000K cool office LED, SW 7596 adapts to #F0D0B3; at 3500K halogen, Only Natural transitions to #F5CFAE; at 3000K residential LED, SW 7596 warms to #FBCDA9; and under 2700K evening bulbs, Only Natural (SW 7596) settles at #FFCCA5.
When cross-matching Sherwin-Williams Only Natural (SW 7596, #E2D3C4), Behr Adobe Sand (N240-2, #E1D0BE, LRV 65%) scores ΔE2000=1.38 and CAM16=1.39, followed by Sheer Scarf (PPU2-05, ΔE=1.45). In Benjamin Moore, Tucson Winds (1024, #DFD2C4, LRV 65.97%) achieves ΔE2000=0.89 ahead of Dusty Road (1017, ΔE=1.1). Coordinate SW 7596 with High Reflective White (SW 7757) ceilings, Snowbound (SW 7004) trim, Cotton White (SW 7104) hallways, and Utterly Beige (SW 6080) accents.