What color is Sidewall (England) ?

Source Crayola® CSS3 CSS4
#535137
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#d7d4cb
 
#dbd7d2
timberwolf
#d3d3d3
light gray
#d3d3d3
lightgrey