Source Crayola® CSS3 CSS4
#455057
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#687b85
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#ac9d8e
 
#95918c
gray
#bc8f8f
rosy brown
#bc8f8f
rosybrown