Source Crayola® CSS3 CSS4
#2a232c
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#878795
 
#95918c
gray
#778899
light slate grey
#778899
lightslategrey
#6e6773
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#4b8961
 
#319177
illuminating emerald
#2e8b57
sea green
#2e8b57
seagreen
#49424f
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey