Bone (#E3DAC9) and Deep Space Sparkle (#4A646C) appear together across 6 master palettes in our corpus, most prominently in the work of Jan Arends, Lev Lagorio, and Ilya Repin and the Rococo tradition. Painters typically deployed bone at an average of 20% of the canvas, with deep space sparkle at 10%. Third colors most often completing the combination include Xanadu (#738678), Ebony (#555D50), and Khaki (#C3B091).