What color is Drawing, Study for "Drainy Weather" ?

Source Crayola® CSS3 CSS4
#777d99
 
#757575
sonic silver
#778899
light slate grey
#778899
lightslategrey
#484c5b
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#2a2c34
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#989eb1
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#c3c77f
 
#bab86c
olive green
#bdb76b
dark khaki
#bdb76b
darkkhaki