#A4A4A4 is deliberately quiet. In an asexual flag palette, it creates the pause between crisp white and dark purple; in UI work, it is a useful secondary surface.
Tints
#a4a4a4
#adadad
#b6b6b6
#bfbfbf
#c8c8c8
#d2d2d2
#dbdbdb
#e4e4e4
#ededed
#f6f6f6
#ffffff
Shadows
#a4a4a4
#949494
#838383
#737373
#626262
#525252
#424242
#313131
#212121
#101010