What color is Drawing, Study for an Abstract Geometric Composition ?

Source Crayola® CSS3 CSS4
#d0cdae
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver
#a9a898
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#4b5452
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#56739e
 
#7366bd
blue violet
#4682b4
steel blue
#4682b4
steelblue
#6a706a
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey