Blue bell (#A2A2D0) and Khaki (#C3B091) appear together across 6 master palettes in our corpus, most prominently in the work of Pierre Bonnard, Samuel Peploe, and Henri Martin and the Post-Impressionism tradition. Painters typically deployed blue bell at an average of 14% of the canvas, with khaki at 7%. Third colors most often completing the combination include Timberwolf (#DBD7D2), Xanadu (#738678), and Sonic silver (#757575).