What color is Fragment, Viper Grass, 1890–1920 ?

Source Crayola® CSS3 CSS4
#788791
 
#95918c
gray
#778899
light slate grey
#778899
lightslategrey
#a3aaad
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#484b57
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#68686e
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey