Source Crayola® CSS3 CSS4
#5d6d88
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#d1c5ca
 
#cdc5c2
silver
#d8bfd8
thistle
#d8bfd8
thistle
#a4a8c0
 
#a2add0
wild blue yonder
#a9a9a9
dark gray
#a9a9a9
darkgrey
#7c86a1
 
#95918c
gray
#778899
light slate grey
#778899
lightslategrey
#394053
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey