What color is Textile, Viper Grass ?

Source Crayola® CSS3 CSS4
#b4b497
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#969586
 
#95918c
gray
#808080
grey
#808080
grey
#403f43
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey