What color is Button (England), late 18th century ?

Source Crayola® CSS3 CSS4
#7d7faf
 
#926eae
violet (purple)
#778899
light slate grey
#778899
lightslategrey
#5a5d95
 
#58427c
cyber grape
#483d8b
dark slate blue
#483d8b
darkslateblue
#989cba
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#53516a
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#ddd8af
 
#efcdb8
desert sand
#eee8aa
pale goldenrod
#eee8aa
palegoldenrod