What color is Sidewall (England), 1992 ?

Source Crayola® CSS3 CSS4
#57638d
 
#4a646c
deep space sparkle
#708090
slate gray
#708090
slategrey
#2c2e3b
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#9297a7
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey