Source Crayola® CSS3 CSS4
#8fa6b3
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#3b4b66
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#c1be4d
 
#bab86c
olive green
#bdb76b
dark khaki
#bdb76b
darkkhaki
#917d33
 
#9c7c38
metallic sunburst
#6b8e23
olive drab
#6b8e23
olivedrab
#5e7189
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey