Source Crayola® CSS3 CSS4
#909798
 
#95918c
gray
#778899
light slate grey
#778899
lightslategrey
#677a83
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#3a515d
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#928750
 
#8a795d
shadow
#808080
grey
#808080
grey
#4c3c1a
 
#714b23
raw umber
#556b2f
dark olive green
#556b2f
darkolivegreen