What color is Sidewall (France), ca. 1785 ?

Source Crayola® CSS3 CSS4
#2b3f58
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#6c6478
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#a4654c
 
#a5694f
sepia
#a0522d
sienna
#a0522d
sienna
#101728
 
#000000
black
#000000
black
#000000
black
#403a47
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey