What color is Drawing, Design for Two Regulators ?

Source Crayola® CSS3 CSS4
#bab89e
 
#b0b7c6
cadet blue
#a9a9a9
dark gray
#a9a9a9
darkgrey
#757062
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#4f4c46
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey