Source Crayola® CSS3 CSS4
#707176
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#42485b
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#23283c
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey