Source Crayola® CSS3 CSS4
#373a39
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#737b87
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#594b3d
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#939e87
 
#95918c
gray
#8fbc8f
dark sea green
#8fbc8f
darkseagreen
#e7de78
 
#fcd975
goldenrod
#f0e68c
khaki
#f0e68c
khaki