What color is Drawing, Study for "You Can Be Sure of Shell" ?

Source Crayola® CSS3 CSS4
#e8ead6
 
#efdecd
almond
#f5f5dc
beige
#f5f5dc
beige
#5d658c
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#845b4c
 
#85754e
gold fusion
#696969
dim grey
#696969
dimgrey
#372b27
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#838695
 
#95918c
gray
#778899
light slate grey
#778899
lightslategrey