What color is Sidewall, Cosmo ?

Source Crayola® CSS3 CSS4
#565b62
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#7c3e4b
 
#6e5160
eggplant
#a0522d
sienna
#a0522d
sienna
#73787a
 
#757575
sonic silver
#808080
grey
#808080
grey
#2f3042
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey