Source Crayola® CSS3 CSS4
#94a6b5
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#6b7d8f
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#2d3729
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#535c4f
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#525d67
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey