Source Crayola® CSS3 CSS4
#2f3333
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#52544d
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#97978c
 
#95918c
gray
#808080
grey
#808080
grey