What color is Sidewall, General Greene ?

Source Crayola® CSS3 CSS4
#908a7f
 
#95918c
gray
#808080
grey
#808080
grey
#766f63
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#55514a
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#b5ae9e
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#2e2c2a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey