What color is Sidewall (England or United States) ?

Source Crayola® CSS3 CSS4
#a5ab9f
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#7f8e94
 
#95918c
gray
#778899
light slate grey
#778899
lightslategrey
#d3d2be
 
#cdc5c2
silver
#d3d3d3
light gray
#d3d3d3
lightgrey
#888c7c
 
#95918c
gray
#808080
grey
#808080
grey
#606971
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey