Source Crayola® CSS3 CSS4
#7e7771
 
#757575
sonic silver
#808080
grey
#808080
grey
#58554b
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#554f55
 
#414a4c
outer space
#696969
dim grey
#696969
dimgrey
#3c3630
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#938a91
 
#95918c
gray
#808080
grey
#808080
grey