Source Crayola® CSS3 CSS4
#bdbbb2
 
#b0b7c6
cadet blue
#c0c0c0
silver
#c0c0c0
silver
#8f8b80
 
#95918c
gray
#808080
grey
#808080
grey
#716c63
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#4f4a42
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey