What color is Sidewall (England) ?

Source Crayola® CSS3 CSS4
#3c2b19
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#71552b
 
#714b23
raw umber
#556b2f
dark olive green
#556b2f
darkolivegreen
#937e50
 
#8a795d
shadow
#808080
grey
#808080
grey