What color is Sidewall (USA) ?

Source Crayola® CSS3 CSS4
#dedbbf
 
#dbd7d2
timberwolf
#d3d3d3
light gray
#d3d3d3
lightgrey
#3b3934
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#6e6b60
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey