Source Crayola® CSS3 CSS4
#564a53
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#877477
 
#757575
sonic silver
#808080
grey
#808080
grey
#c2b9b5
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver
#21202c
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#9b9192
 
#95918c
gray
#bc8f8f
rosy brown
#bc8f8f
rosybrown