Code SW 6463 (Breaktime) reflects 65.77% of incident D65 light. Measured in CAM16-UCS uniform space, Sherwin-Williams Breaktime (SW 6463) registers J'=86.6, a'=-10.19, and b'=2.03 with HSL (149°, 22%, 81%) and Helmholtz-Kohlrausch perceived value 85.8 L*_HK. Because SW 6463 carries a*=-9.09 red-green and b*=3.02 yellow-blue balance at chroma C*=9.58, Breaktime projects a cool organic sage green-grey character across drywall and millwork.
Thermal lighting shifts Sherwin-Williams SW 6463 predictably. Under 5000K noon daylight, Breaktime (SW 6463) holds its native #CCD8C5 swatch; at 4000K cool office LED, SW 6463 adapts to #D3D6BD; at 3500K halogen, Breaktime transitions to #D9D5B7; at 3000K residential LED, SW 6463 warms to #DFD3B2; and under 2700K evening bulbs, Breaktime (SW 6463) settles at #E4D2AE.
When cross-matching Sherwin-Williams Breaktime (SW 6463, #C4D9CE), Behr Ice Rink (M430-2, #CBDFD6, LRV 70%) scores ΔE2000=1.76 and CAM16=2.23, followed by Moon Glass (S420-2, ΔE=1.93). In Benjamin Moore, Aberdeen Green (631, #C3D8CC, LRV 65.03%) achieves ΔE2000=0.48 ahead of Galt Blue (CW-560, ΔE=1.49). Coordinate SW 6463 with High Reflective White (SW 7757) ceilings, Alabaster (SW 7008) trim, Extra White (SW 7006) hallways, and Halcyon Green (SW 6213) accents.