Source Crayola® CSS3 CSS4
#3f4450
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#72848c
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#534d41
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#bebfab
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver
#857456
 
#85754e
gold fusion
#696969
dim grey
#696969
dimgrey