Source Crayola® CSS3 CSS4
#373c3f
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#68706f
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#524845
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey