What color is Textile, Prolong, ca. 1980 ?

Source Crayola® CSS3 CSS4
#6d6965
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#5f4e4b
 
#6e5160
eggplant
#556b2f
dark olive green
#556b2f
darkolivegreen