What color is Seal/stamp ?

Source Crayola® CSS3 CSS4
#545048
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#2d2925
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#716c61
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey