Source Crayola® CSS3 CSS4
#b1b3a6
 
#b0b7c6
cadet blue
#a9a9a9
dark gray
#a9a9a9
darkgrey
#6a7b88
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#8f8972
 
#9f8170
beaver
#808080
grey
#808080
grey
#7d695d
 
#8a795d
shadow
#696969
dim grey
#696969
dimgrey
#5c554a
 
#6e5160
eggplant
#556b2f
dark olive green
#556b2f
darkolivegreen