Source Crayola® CSS3 CSS4
#2d3c46
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#415b69
 
#4a646c
deep space sparkle
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#695c54
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#5c7f82
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey