What color is Sidewall (possibly USA) ?

Source Crayola® CSS3 CSS4
#90825b
 
#8a795d
shadow
#808080
grey
#808080
grey
#6c5835
 
#714b23
raw umber
#556b2f
dark olive green
#556b2f
darkolivegreen
#453726
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#aca383
 
#95918c
gray
#bc8f8f
rosy brown
#bc8f8f
rosybrown