What color is Print, At Sea, - signalling a passing Steamer ?

Source Crayola® CSS3 CSS4
#55534a
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#d8d2c1
 
#cdc5c2
silver
#d3d3d3
light gray
#d3d3d3
lightgrey
#757063
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey