Source Crayola® CSS3 CSS4
#878378
 
#757575
sonic silver
#808080
grey
#808080
grey
#4e4c4a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#696a63
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey