What color is Sidewall ?

Source Crayola® CSS3 CSS4
#2d2c26
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#645537
 
#714b23
raw umber
#556b2f
dark olive green
#556b2f
darkolivegreen
#8e8364
 
#8a795d
shadow
#808080
grey
#808080
grey
#aba697
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey