What color is Textile, Navajo ?

Source Crayola® CSS3 CSS4
#4f4f4a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#6d6d67
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#5c493f
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen