What color is Swatch (possibly England), 20th century ?

Source Crayola® CSS3 CSS4
#292b1d
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#464c2c
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#85827c
 
#757575
sonic silver
#808080
grey
#808080
grey
#655b4d
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey