Source Crayola® CSS3 CSS4
#50504a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#7f7b6e
 
#757575
sonic silver
#808080
grey
#808080
grey
#a49e8c
 
#95918c
gray
#bc8f8f
rosy brown
#bc8f8f
rosybrown