Source Crayola® CSS3 CSS4
#acb0bc
 
#b0b7c6
cadet blue
#a9a9a9
dark gray
#a9a9a9
darkgrey
#767071
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#554e58
 
#414a4c
outer space
#696969
dim grey
#696969
dimgrey