Source Crayola® CSS3 CSS4
#584e4b
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#82746c
 
#757575
sonic silver
#808080
grey
#808080
grey
#a49c98
 
#95918c
gray
#a9a9a9
dark gray
#a9a9a9
darkgrey