Source Crayola® CSS3 CSS4
#939a92
 
#95918c
gray
#778899
light slate grey
#778899
lightslategrey
#6c706a
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#51534e
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#9a8a87
 
#95918c
gray
#808080
grey
#808080
grey