What color is Waistcoat Fronts, late 18th–early 19th century ?

Source Crayola® CSS3 CSS4
#99896c
 
#9f8170
beaver
#808080
grey
#808080
grey
#9d7358
 
#a57164
blast off bronze
#808080
grey
#808080
grey
#554139
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#7a5b49
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#757562
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey